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 Fertility Rate · 2019
In 2019, Air Pollution (PM2.5) and Fertility Rate show a moderate positive correlation (r = 0.49) across 200 countries.
Countries with higher air pollution generally record higher fertility rate, 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.