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The price level index (PLI) is the ratio of a purchasing power parity (PPP) conversion factor to the corresponding market exchange rate between two countries, expressed relative to a base country that is set equal to 100. For this series the base country is the United States.
As of 2025, Iceland ranks first with 118, followed by Switzerland (112) and Barbados (110).
Across 184 countries and territories, values run from 118 (Iceland) to 13 (Nigeria), with a median of 44.
By region, the top 10 is made up of 4 from Europe, 3 from Oceania, 2 from the Americas and 1 from Asia.
Source: World Bank Open Data — Price level index (GDP), 2025. Unit: GDP.
Source: World Bank Open Data — Price level index (GDP) · CC BY 4.0 · fetched Oct 17, 2026