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 Forest Area · 2019
In 2019, Air Pollution (PM2.5) and Forest Area show a weak negative correlation (r = -0.32) across 200 countries.
A slight tendency links higher air pollution to lower forest area, but the relationship is inconsistent and varies widely by region.
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.