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 Literacy Rate · 2019
In 2019, Air Pollution (PM2.5) and Literacy Rate show a strong negative correlation (r = -0.74) across 55 countries.
Countries with higher air pollution strongly tend to record lower literacy rate — the two indicators are closely associated in the opposite direction at the global level.
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.