Correlation Explorer
Pick two indicators to see how countries and regions compare — bubble size = population · click any dot for details
2019
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Source: World Bank Open Data
Air Pollution vs Human Development · 2019
In 2019, Air Pollution (PM2.5) and Human Development Index show a moderate negative correlation (r = -0.53) across 190 countries.
Countries with higher air pollution generally record lower human development, though notable exceptions exist across regions and income groups.
Use the interactive bubble chart to explore individual countries and regions, or adjust the year slider to see how this relationship has evolved over time. Bubble size represents population.