Basic water access
People using at least basic drinking water services (% of population)
Link with national income+0.85essentially a measure of national income
Links that hold up25of 158 pairs tested
Unit% of populationhigher is better
SourceWDICC BY 4.0
How it has moved
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Every country, every year
One row per country and one column per year, sorted by the most recent value. Hover over any cell to see the figure. The country names link to each country’s page.
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Links that hold up
r is how closely two measures rise and fall together across countries, from −1 (opposite) to +1 (in step), where 0 means no link. These pairs are ranked by the link after adjusting for national income, which means comparing countries with the same GDP per person. Each pair passed three checks. The link held after that adjustment. It was unlikely to be chance (q of 0.05 or less), even allowing for countries in the same region being alike and for the many pairs tested. And the two are not just two measures of the same thing. Very small q values are written in short form: 8.0e-5 means 0.000080.
| Measure | Before adjusting | After adjusting | q | Countries | Tracks income? |
|---|---|---|---|---|---|
| Basic water access and Electricity accessWhere Basic water access is higher, Electricity access tends to be higher: a strong link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Electricity access by country | +0.89 | +0.75 | 0.004 | 197 | high |
| Basic water access and Basic sanitationWhere Basic water access is higher, Basic sanitation tends to be higher: a strong link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Basic sanitation by country | +0.89 | +0.72 | 0.017 | 197 | high |
| Basic water access and Extreme poverty rateWhere Basic water access is higher, Extreme poverty rate tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Extreme poverty rate by country | -0.85 | -0.63 | 0.017 | 161 | proxy |
| Basic water access and Under-5 mortalityWhere Basic water access is higher, Under-5 mortality tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Under-5 mortality by country | -0.81 | -0.52 | 0.015 | 186 | proxy |
| Basic water access and Infrastructure scoreWhere Basic water access is higher, Infrastructure score tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Infrastructure score by country | +0.84 | +0.52 | 0.012 | 196 | proxy |
| Basic water access and Health coverage indexWhere Basic water access is higher, Health coverage index tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Health coverage index by country | +0.83 | +0.49 | 0.025 | 185 | proxy |
| Basic water access and Fertility rateWhere Basic water access is higher, Fertility rate tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Fertility rate by country | -0.82 | -0.49 | 0.013 | 197 | proxy |
| Basic water access and Pupil-teacher ratioWhere Basic water access is higher, Pupil-teacher ratio tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Pupil-teacher ratio by country | -0.80 | -0.49 | 0.001 | 179 | proxy |
| Basic water access and Birth rateWhere Basic water access is higher, Birth rate tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Birth rate by country | -0.82 | -0.47 | 0.038 | 197 | proxy |
| Basic water access and Birth registrationWhere Basic water access is higher, Birth registration tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Birth registration by country | +0.73 | +0.44 | 0.004 | 165 | proxy |
| Basic water access and Equality scoreWhere Basic water access is higher, Equality score tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Equality score by country | +0.72 | +0.44 | 0.032 | 161 | high |
| Basic water access and Infant mortalityWhere Basic water access is higher, Infant mortality tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Infant mortality by country | -0.79 | -0.44 | 0.008 | 186 | proxy |
| Basic water access and Internet usersWhere Basic water access is higher, Internet users tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Internet users by country | +0.81 | +0.43 | 0.017 | 195 | proxy |
| Basic water access and Adolescent fertilityWhere Basic water access is higher, Adolescent fertility tends to be lower: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Adolescent fertility by country | -0.76 | -0.42 | 0.022 | 197 | proxy |
| Basic water access and Skilled birth attendanceWhere Basic water access is higher, Skilled birth attendance tends to be higher: a moderate link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Skilled birth attendance by country | +0.72 | +0.41 | 0.011 | 175 | high |
| Basic water access and Maternal mortalityWhere Basic water access is higher, Maternal mortality tends to be lower: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Maternal mortality by country | -0.73 | -0.40 | 0.036 | 186 | proxy |
| Basic water access and Food insecurityWhere Basic water access is higher, Food insecurity tends to be lower: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Food insecurity by country | -0.78 | -0.37 | 0.046 | 155 | proxy |
| Basic water access and Child stuntingWhere Basic water access is higher, Child stunting tends to be lower: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Child stunting by country | -0.74 | -0.36 | 0.030 | 156 | proxy |
| Basic water access and Secondary enrollmentWhere Basic water access is higher, Secondary enrollment tends to be higher: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Secondary enrollment by country | +0.73 | +0.35 | 0.021 | 186 | high |
| Basic water access and Slum share of urban populationWhere Basic water access is higher, Slum share of urban population tends to be lower: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Slum share of urban population by country | -0.72 | -0.33 | 0.050 | 183 | high |
| Basic water access and Out of school, primaryWhere Basic water access is higher, Out of school, primary tends to be lower: a weak link that holds when only countries with similar income are compared. Out of school, primary by country | -0.54 | -0.30 | 0.010 | 185 | moderate |
| Basic water access and HDIWhere Basic water access is higher, HDI tends to be higher: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. HDI by country | +0.80 | +0.29 | 0.011 | 186 | proxy |
| Basic water access and Age at childbearingComparing only countries with similar income, Age at childbearing tends to be lower where Basic water access is higher: the opposite of the unadjusted figure, which only showed the income gap between countries. Age at childbearing by country | +0.18 | -0.28 | 0.041 | 197 | moderate |
| Basic water access and Road traffic deathsWhere Basic water access is higher, Road traffic deaths tends to be lower: a weak link that holds when only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Road traffic deaths by country | -0.62 | -0.24 | 0.036 | 182 | high |
| Basic water access and Youth not in work or studyComparing only countries with similar income, Youth not in work or study tends to be higher where Basic water access is higher: the opposite of the unadjusted figure, which only showed the income gap between countries. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Youth not in work or study by country | -0.32 | +0.22 | 0.039 | 173 | high |
Links that don’t count as findings
These go together strongly, but they are built from the same numbers or measure the same thing. So they are bound to match, or their match shows that the measures agree, not something about the world.
| Measure | Before adjusting | After adjusting | q | Countries | Tracks income? |
|---|---|---|---|---|---|
| Basic water access and Health scoreNot an independent finding: one of these indices is built partly from the other, so their agreement is just arithmetic. Health score by country | +0.16 | -0.12 | 0.308 | 185 | moderate |
How much the other measures account for
The 71 most widely reported measures boil down to a few broad patterns. This table shows how much of the differences between countries on this measure those patterns account for, adding one pattern at a time. The patterns are rebuilt without this measure, and without anything built from the same numbers or measuring the same thing. So it never predicts itself under another name. The figures use the 133 countries reporting all of them, and 70 candidate measures.
This shows how much it moves with the others. It does not explain anything. Measures that move together end up on the same pattern whether or not anything connects them. And the countries here are the best-documented ones. A high figure means this measure is largely predictable from the others, not that they produce it.
| Patterns used | Share of this measure accounted for | Added by this pattern |
|---|---|---|
| 1 | 66% | — |
| 2 | 72% | +7% |
| 3 | 80% | +7% |
| 4 | 80% | +0% |
| 5 | 81% | +1% |
| 6 | 83% | +2% |
This measure sits on the pattern all the measures share, which is national income under another name.
How it differs by category
This compares the measure across groups of countries, such as those sharing a main religion, instead of against another number. The figure is the share of the differences between countries on this measure that lies between the groups, on a scale from 0 to 1. It is shown before and after adjusting for national income.
The “between groups” figure runs from 0 (the groups are no different) to 1 (the groups explain all the differences between countries). Groups have no up or down, so this says how much the groups differ, never which way. For that, read the group averages. The figure also tends to rise when there are more groups. So to judge whether it could be chance (q), we shuffle the same labels among the same countries many times and see how often a figure this big turns up. Then we allow for the fact that many measures are checked at once, since with enough checks a few big figures turn up by luck alone. Groups with fewer than 12 countries are left out. And countries that share a label share a lot else. Adjusting for income rules out one third factor, but leaves language, region, legal tradition and history untouched.
| Grouped by | Between groups | After income | q | Groups at each end |
|---|---|---|---|---|
| Last European coloniser | 0.45 | 0.23 | 0.124 | best: Spain 94.3% · worst: France 76.4% % of population |
| Largest religious group | 0.04 | 0.18 | 0.036 | best: Christians 89.6% · worst: Muslims 88.4% % of population |
Every other pair
Everything else this measure was tested against, apart from the links that hold up and the pairs built from the same numbers. Sorted by the link after adjusting. Search by name; every column sorts. A small adjusted figure is a result too. It says the two do not move together once income is set aside.
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| Basic water access and Primary completionLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.43) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Primary completion by country | +0.76 | +0.43 | 0.145 | 160 | proxy |
| Basic water access and Female labor participationCould easily be chance once only countries with similar income are compared. Female labor participation by country | -0.21 | -0.43 | 0.131 | 176 | independent |
| Basic water access and Employment in agricultureLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.40) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Employment in agriculture by country | -0.79 | -0.40 | 0.111 | 176 | proxy |
| Basic water access and Adult obesityCould easily be chance once only countries with similar income are compared. Adult obesity by country | +0.46 | +0.39 | 0.101 | 187 | moderate |
| Basic water access and Education scoreLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.39) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Education score by country | +0.77 | +0.39 | 0.058 | 190 | proxy |
| Basic water access and Population growthLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.36) could easily be chance. Population growth by country | -0.56 | -0.36 | 0.236 | 197 | moderate |
| Basic water access and Adult literacyLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.32) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Adult literacy by country | +0.69 | +0.32 | 0.091 | 134 | high |
| Basic water access and Population 0-14Linked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.32) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Population 0-14 by country | -0.78 | -0.32 | 0.132 | 197 | proxy |
| Basic water access and Hours workedCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Hours worked by country | -0.50 | -0.31 | 0.313 | 38 | high |
| Basic water access and UndernourishmentLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.30) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Undernourishment by country | -0.70 | -0.30 | 0.171 | 162 | proxy |
| Basic water access and Market-income GiniCould easily be chance once only countries with similar income are compared. Market-income Gini by country | -0.44 | -0.30 | 0.466 | 45 | moderate |
| Basic water access and Trust in governmentCould easily be chance once only countries with similar income are compared. Trust in government by country | -0.12 | -0.30 | 0.321 | 47 | moderate |
| Basic water access and Women's age at first marriageCould easily be chance once only countries with similar income are compared. Women's age at first marriage by country | +0.30 | +0.30 | 0.385 | 40 | moderate |
| Basic water access and Married by 18Linked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.28) could easily be chance. Married by 18 by country | -0.61 | -0.28 | 0.072 | 134 | moderate |
| Basic water access and Tobacco useCould easily be chance once only countries with similar income are compared. Tobacco use by country | +0.32 | +0.28 | 0.085 | 164 | independent |
| Basic water access and Children with one parentCould easily be chance once only countries with similar income are compared. Children with one parent by country | +0.29 | +0.28 | 0.068 | 38 | independent |
| Basic water access and Vulnerable employmentLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.28) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Vulnerable employment by country | -0.76 | -0.28 | 0.143 | 176 | proxy |
| Basic water access and Life expectancyLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.27) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Life expectancy by country | +0.75 | +0.27 | 0.088 | 197 | proxy |
| Basic water access and DTP3 immunisationLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.25) could easily be chance. DTP3 immunisation by country | +0.54 | +0.25 | 0.063 | 185 | moderate |
| Basic water access and Education spendingCould easily be chance once only countries with similar income are compared. Education spending by country | +0.17 | +0.25 | 0.166 | 186 | independent |
| Basic water access and ResearchersCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Researchers by country | +0.44 | -0.25 | 0.301 | 131 | proxy |
| Basic water access and One-person householdsCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. One-person households by country | +0.43 | -0.24 | 0.134 | 149 | high |
| Basic water access and Compulsory schoolingCould easily be chance once only countries with similar income are compared. Compulsory schooling by country | +0.44 | +0.23 | 0.264 | 184 | moderate |
| Basic water access and Environment scoreCould easily be chance once only countries with similar income are compared. Environment score by country | -0.39 | -0.21 | 0.151 | 195 | moderate |
| Basic water access and Government expenseCould easily be chance once only countries with similar income are compared. Government expense by country | +0.35 | +0.21 | 0.373 | 150 | moderate |
| Basic water access and Armed conflict presentCould easily be chance once only countries with similar income are compared. Armed conflict present by country | -0.43 | -0.21 | 0.348 | 186 | moderate |
| Basic water access and Births outside marriageCould easily be chance once only countries with similar income are compared. Births outside marriage by country | +0.20 | +0.21 | 0.414 | 42 | independent |
| Basic water access and Mean years of schoolingLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.21) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Mean years of schooling by country | +0.71 | +0.21 | 0.232 | 186 | proxy |
| Basic water access and Religious attendanceLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.20) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Religious attendance by country | -0.57 | -0.20 | 0.449 | 103 | high |
| Basic water access and Alcohol consumptionCould easily be chance once only countries with similar income are compared. Alcohol consumption by country | +0.28 | -0.20 | 0.122 | 181 | moderate |
| Basic water access and Political rights (FH)Could easily be chance once only countries with similar income are compared. Political rights (FH) by country | -0.46 | -0.20 | 0.563 | 186 | moderate |
| Basic water access and Women ministersAlmost no link either way. Women ministers by country | +0.05 | -0.19 | 0.198 | 184 | independent |
| Basic water access and Christian shareCould easily be chance once only countries with similar income are compared. Christian share by country | -0.10 | -0.19 | 0.456 | 182 | independent |
| Basic water access and Health spendingCould easily be chance once only countries with similar income are compared. Health spending by country | +0.25 | +0.19 | 0.219 | 185 | independent |
| Basic water access and Corruption Perceptions IndexCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Corruption Perceptions Index by country | +0.49 | -0.18 | 0.147 | 173 | high |
| Basic water access and Tuberculosis incidenceLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.18) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Tuberculosis incidence by country | -0.50 | -0.18 | 0.269 | 195 | high |
| Basic water access and Public social spendingCould easily be chance once only countries with similar income are compared. Public social spending by country | +0.28 | +0.18 | 0.203 | 42 | moderate |
| Basic water access and Inequality-adjusted HDILinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.18) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Inequality-adjusted HDI by country | +0.78 | +0.18 | 0.274 | 166 | proxy |
| Basic water access and Muslim shareAlmost no link either way. Muslim share by country | -0.08 | +0.18 | 0.427 | 182 | independent |
| Basic water access and Regulatory qualityLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.18) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Regulatory quality by country | +0.55 | -0.18 | 0.374 | 193 | proxy |
| Basic water access and Migrant share of populationCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Migrant share of population by country | +0.36 | -0.17 | 0.061 | 197 | high |
| Basic water access and Unemployment benefit spendingCould easily be chance once only countries with similar income are compared. Unemployment benefit spending by country | +0.18 | +0.16 | 0.173 | 39 | moderate |
| Basic water access and Gender scoreCould easily be chance once only countries with similar income are compared. Gender score by country | +0.18 | -0.16 | 0.190 | 178 | moderate |
| Basic water access and Anaemia in womenLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.16) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Anaemia in women by country | -0.58 | -0.16 | 0.434 | 185 | high |
| Basic water access and Interpersonal trustCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Interpersonal trust by country | +0.31 | -0.15 | 0.421 | 105 | high |
| Basic water access and Median ageLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.15) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Median age by country | +0.71 | +0.15 | 0.261 | 197 | proxy |
| Basic water access and Marriage rate (UN)Almost no link either way. Marriage rate (UN) by country | -0.06 | +0.14 | 0.745 | 103 | independent |
| Basic water access and UnemploymentAlmost no link either way. Unemployment by country | +0.02 | +0.14 | 0.497 | 176 | independent |
| Basic water access and Women in parliamentCould easily be chance once only countries with similar income are compared. Women in parliament by country | +0.12 | -0.13 | 0.101 | 184 | independent |
| Basic water access and Political stabilityLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.13) could easily be chance. Political stability by country | +0.53 | +0.13 | 0.663 | 193 | moderate |
| Basic water access and Old-age spendingCould easily be chance once only countries with similar income are compared. Old-age spending by country | +0.17 | +0.13 | 0.342 | 42 | independent |
| Basic water access and Single-parent householdsAlmost no link either way. Single-parent households by country | -0.09 | -0.13 | 0.518 | 149 | independent |
| Basic water access and Confidence in religious institutionsCould easily be chance once only countries with similar income are compared. Confidence in religious institutions by country | -0.27 | +0.13 | 0.326 | 105 | moderate |
| Basic water access and Free and fair electionsLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.13) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Free and fair elections by country | +0.52 | +0.13 | 0.655 | 166 | high |
| Basic water access and Suicide rateAlmost no link either way. Suicide rate by country | +0.08 | -0.13 | 0.346 | 178 | independent |
| Basic water access and Religiously unaffiliatedCould easily be chance once only countries with similar income are compared. Religiously unaffiliated by country | +0.28 | -0.13 | 0.233 | 182 | moderate |
| Basic water access and Protected landAlmost no link either way. Protected land by country | +0.07 | -0.13 | 0.249 | 195 | independent |
| Basic water access and Government effectivenessLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (-0.12) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Government effectiveness by country | +0.61 | -0.12 | 0.534 | 193 | proxy |
| Basic water access and Male labor participationAlmost no link either way. Male labor participation by country | -0.08 | -0.12 | 0.415 | 176 | independent |
| Basic water access and Religion very importantCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Religion very important by country | -0.38 | +0.12 | 0.392 | 105 | high |
| Basic water access and Political corruptionCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Political corruption by country | -0.47 | +0.12 | 0.439 | 166 | high |
| Basic water access and Public order spendingCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Public order spending by country | -0.18 | -0.12 | 0.440 | 37 | high |
| Basic water access and Marriage rateCould easily be chance once only countries with similar income are compared. Marriage rate by country | -0.13 | -0.12 | 0.515 | 46 | independent |
| Basic water access and Gini indexCould easily be chance once only countries with similar income are compared. Gini index by country | -0.29 | -0.12 | 0.596 | 161 | moderate |
| Basic water access and HIV prevalenceCould easily be chance once only countries with similar income are compared. HIV prevalence by country | -0.25 | -0.11 | 0.343 | 148 | moderate |
| Basic water access and Out-of-pocket health spendingCould easily be chance once only countries with similar income are compared. Out-of-pocket health spending by country | -0.20 | +0.11 | 0.707 | 185 | moderate |
| Basic water access and Civil liberties (FH)Could easily be chance once only countries with similar income are compared. Civil liberties (FH) by country | -0.43 | -0.11 | 0.727 | 186 | moderate |
| Basic water access and Tax revenueCould easily be chance once only countries with similar income are compared. Tax revenue by country | +0.31 | +0.11 | 0.594 | 150 | moderate |
| Basic water access and Tertiary enrollmentLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, what remains (+0.11) could easily be chance. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Tertiary enrollment by country | +0.60 | +0.11 | 0.355 | 177 | high |
| Basic water access and GDP growthCould easily be chance once only countries with similar income are compared. GDP growth by country | -0.21 | -0.10 | 0.424 | 197 | moderate |
| Basic water access and Conflict deathsAlmost no link either way. Conflict deaths by country | -0.05 | +0.10 | 0.455 | 186 | moderate |
| Basic water access and Government spending per capitaCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Government spending per capita by country | +0.35 | +0.10 | 0.718 | 43 | proxy |
| Basic water access and Recycling rateCould easily be chance once only countries with similar income are compared. Recycling rate by country | +0.12 | +0.10 | 0.224 | 35 | moderate |
| Basic water access and Life satisfactionLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Life satisfaction by country | +0.68 | +0.10 | 0.715 | 158 | proxy |
| Basic water access and Expected schoolingLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Expected schooling by country | +0.65 | +0.09 | 0.328 | 186 | proxy |
| Basic water access and Gender Development IndexLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Gender Development Index by country | +0.54 | +0.09 | 0.782 | 179 | high |
| Basic water access and PhysiciansLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Physicians by country | +0.64 | +0.08 | 0.421 | 185 | proxy |
| Basic water access and Premature NCD mortalityCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Premature NCD mortality by country | -0.49 | +0.08 | 0.686 | 178 | high |
| Basic water access and Agricultural landCould easily be chance once only countries with similar income are compared. Agricultural land by country | -0.18 | +0.08 | 0.385 | 194 | independent |
| Basic water access and Control of corruptionLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Control of corruption by country | +0.52 | -0.08 | 0.746 | 193 | high |
| Basic water access and PISA readingLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. PISA reading by country | +0.50 | +0.08 | 0.711 | 86 | high |
| Basic water access and Gender wage gapAlmost no link either way. Gender wage gap by country | +0.06 | +0.07 | 0.196 | 38 | independent |
| Basic water access and Frequent prayerCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Frequent prayer by country | -0.41 | +0.07 | 0.695 | 77 | high |
| Basic water access and Informal employmentLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Informal employment by country | -0.70 | -0.07 | 0.712 | 139 | proxy |
| Basic water access and Homicide rateAlmost no link either way. Homicide rate by country | -0.01 | +0.07 | 0.597 | 168 | moderate |
| Basic water access and Self-reported happinessCould easily be chance once only countries with similar income are compared. Self-reported happiness by country | +0.28 | +0.06 | 0.659 | 105 | moderate |
| Basic water access and Government consumptionCould easily be chance once only countries with similar income are compared. Government consumption by country | +0.13 | +0.06 | 0.680 | 176 | independent |
| Basic water access and Aid givenCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Aid given by country | +0.16 | +0.06 | 0.679 | 47 | high |
| Basic water access and Labour scoreLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Labour score by country | +0.54 | -0.06 | 0.504 | 184 | high |
| Basic water access and Military spendingCould easily be chance once only countries with similar income are compared. Military spending by country | +0.11 | +0.06 | 0.261 | 154 | independent |
| Basic water access and Voice and accountabilityCould easily be chance once only countries with similar income are compared. Voice and accountability by country | +0.47 | +0.06 | 0.830 | 193 | moderate |
| Basic water access and Hospital bedsCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Hospital beds by country | +0.43 | +0.06 | 0.689 | 170 | high |
| Basic water access and Trade opennessCould easily be chance once only countries with similar income are compared. Trade openness by country | +0.30 | -0.05 | 0.618 | 178 | moderate |
| Basic water access and Forest areaAlmost no link either way. Forest area by country | -0.01 | -0.05 | 0.673 | 195 | independent |
| Basic water access and Mobile subscriptionsCould easily be chance once only countries with similar income are compared. Mobile subscriptions by country | +0.37 | +0.05 | 0.364 | 196 | moderate |
| Basic water access and Governance scoreCould easily be chance once only countries with similar income are compared. Governance score by country | +0.42 | +0.05 | 0.874 | 169 | moderate |
| Basic water access and Electoral democracyCould easily be chance once only countries with similar income are compared. Electoral democracy by country | +0.40 | +0.05 | 0.874 | 166 | moderate |
| Basic water access and UrbanizationLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Urbanization by country | +0.53 | +0.05 | 0.748 | 197 | high |
| Basic water access and Liberal democracyCould easily be chance once only countries with similar income are compared. Liberal democracy by country | +0.44 | +0.05 | 0.892 | 166 | moderate |
| Basic water access and Refugees originatingCould easily be chance once only countries with similar income are compared. Refugees originating by country | -0.17 | +0.04 | 0.814 | 191 | moderate |
| Basic water access and PISA scienceCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. PISA science by country | +0.48 | +0.04 | 0.819 | 86 | high |
| Basic water access and Corporate tax rateCould easily be chance once only countries with similar income are compared. Corporate tax rate by country | -0.27 | +0.04 | 0.760 | 86 | moderate |
| Basic water access and RedistributionCould easily be chance once only countries with similar income are compared. Redistribution by country | +0.25 | -0.04 | 0.881 | 45 | moderate |
| Basic water access and Women in managementCould easily be chance once only countries with similar income are compared. Women in management by country | +0.25 | +0.03 | 0.880 | 147 | moderate |
| Basic water access and Population 65+Linked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Population 65+ by country | +0.58 | +0.03 | 0.483 | 197 | high |
| Basic water access and Family benefits spendingAlmost no link either way. Family benefits spending by country | +0.06 | -0.03 | 0.680 | 42 | independent |
| Basic water access and Freedom of associationCould easily be chance once only countries with similar income are compared. Freedom of association by country | +0.24 | +0.03 | 0.913 | 166 | moderate |
| Basic water access and Retirement age, menCould easily be chance once only countries with similar income are compared. Retirement age, men by country | -0.14 | +0.03 | 0.910 | 49 | independent |
| Basic water access and Retirement age, womenAlmost no link either way. Retirement age, women by country | -0.09 | -0.03 | 0.899 | 49 | independent |
| Basic water access and Gender Inequality IndexLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Gender Inequality Index by country | -0.70 | -0.03 | 0.700 | 168 | proxy |
| Basic water access and Women's political empowermentCould easily be chance once only countries with similar income are compared. Women's political empowerment by country | +0.34 | -0.03 | 0.859 | 166 | moderate |
| Basic water access and Active labour market spendingCould easily be chance once only countries with similar income are compared. Active labour market spending by country | +0.10 | -0.02 | 0.874 | 42 | moderate |
| Basic water access and Wellbeing scoreLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Wellbeing score by country | +0.51 | -0.02 | 0.846 | 105 | high |
| Basic water access and Primary enrollmentAlmost no link either way. Primary enrollment by country | -0.03 | -0.02 | 0.785 | 191 | independent |
| Basic water access and Political civil libertiesCould easily be chance once only countries with similar income are compared. Political civil liberties by country | +0.23 | +0.02 | 0.950 | 166 | moderate |
| Basic water access and Fixed broadbandLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Fixed broadband by country | +0.63 | -0.02 | 0.698 | 195 | proxy |
| Basic water access and Participatory democracyCould easily be chance once only countries with similar income are compared. Participatory democracy by country | +0.39 | +0.02 | 0.955 | 166 | moderate |
| Basic water access and Divorce rate (UN)Almost no link either way. Divorce rate (UN) by country | +0.02 | +0.02 | 0.858 | 94 | independent |
| Basic water access and CO2 per capitaCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. CO2 per capita by country | +0.31 | -0.02 | 0.887 | 190 | proxy |
| Basic water access and PISA mathsCould easily be chance once only countries with similar income are compared. Both mostly measure national income in another way, so only the adjusted figure is worth reading. PISA maths by country | +0.47 | +0.02 | 0.925 | 86 | high |
| Basic water access and Regime typeCould easily be chance once only countries with similar income are compared. Regime type by country | +0.39 | +0.02 | 0.948 | 166 | moderate |
| Basic water access and InflationCould easily be chance once only countries with similar income are compared. Inflation by country | -0.11 | -0.01 | 0.847 | 187 | independent |
| Basic water access and Freedom of expressionCould easily be chance once only countries with similar income are compared. Freedom of expression by country | +0.19 | +0.01 | 0.972 | 166 | moderate |
| Basic water access and Rule of lawLinked across countries, but mostly as richer countries differ from poorer ones: comparing only countries with similar income, almost nothing remains. Both mostly measure national income in another way, so only the adjusted figure is worth reading. Rule of law by country | +0.56 | +0.01 | 0.975 | 193 | high |
| Basic water access and Divorce rateAlmost no link either way. Divorce rate by country | -0.04 | -0.01 | 0.959 | 45 | independent |
| Basic water access and Civil society participationCould easily be chance once only countries with similar income are compared. Civil society participation by country | +0.16 | +0.01 | 0.978 | 166 | independent |
| Basic water access and Pre-trial detainee shareCould easily be chance once only countries with similar income are compared. Pre-trial detainee share by country | -0.23 | +0.01 | 0.962 | 170 | independent |
| Basic water access and Women in a unionCould easily be chance once only countries with similar income are compared. Women in a union by country | -0.32 | +0.01 | 0.972 | 190 | moderate |
| Basic water access and FDI inflowsAlmost no link either way. FDI inflows by country | +0.04 | +0.00 | 1.000 | 193 | independent |
| Basic water access and GDP per capita (PPP)One side of this pair is national income itself, the thing the other figures adjust for. Adjusting income for income leaves nothing, so there is no adjusted figure. The unadjusted link shows how closely the other measure follows income. GDP per capita (PPP) by country | +0.53 | — | — | 197 | proxy |
| Basic water access and GNI per capita (PPP)One side of this pair is national income itself, the thing the other figures adjust for. Adjusting income for income leaves nothing, so there is no adjusted figure. The unadjusted link shows how closely the other measure follows income. GNI per capita (PPP) by country | +0.53 | — | — | 195 | proxy |
| Basic water access and GDP per capita (market)One side of this pair is national income itself, the thing the other figures adjust for. Adjusting income for income leaves nothing, so there is no adjusted figure. The unadjusted link shows how closely the other measure follows income. GDP per capita (market) by country | +0.44 | — | — | 197 | proxy |