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The purchasing power parity (PPP) conversion factor is a currency conversion factor and a spatial price deflator. They convert different currencies to a common currency and, in the process of conversion, equalize their purchasing power by eliminating the differences in price levels between countries, thereby allowing volume or output comparisons of gross domestic product (GDP) and its expenditure components.
As of 2025, Iran ranks first with 157,796, followed by Lebanon (58,470) and Vietnam (7,203).
Iran is 2.7 times higher than Lebanon, the runner-up.
Across 168 countries and territories, values run from 157,796 (Iran) to 0 (Oman), with a median of 8.
By region, the top 10 is made up of 7 from Asia, 2 from the Americas and 1 from Africa.
Source: World Bank Open Data — PPP conversion factor, households and NPISHs Final consumption expenditure (LCU per international $), 2025. Unit: LCU per international $.
Source: World Bank Open Data — PPP conversion factor, households and NPISHs Final consumption expenditure (LCU per international $) · CC BY 4.0 · fetched Oct 17, 2026