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Historical observations Close ×
Select a point to read its year and value.
Data table Countries & territories Close × Same-year values. Equal values share a rank.
Sources & method
Ranks cover available countries and territories, using the same indicator, source unit and reference year. Unrounded source values determine ties. Coverage is not a sovereign-country or complete global ranking; national definitions may differ. Missing values and other years are excluded. The information icon preserves the original number, unit and evidence.