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Data are in millions of international dollars; they were compiled by the World Bank. The third table is a tabulation of the CIA World Factbook GDP (PPP) data update of 2019. The data for GDP at purchasing power parity has also been rebased using the new International Comparison Program price surveys and extrapolated to 2007.
Purchasing power parity (PPP) [1] is a measure of the price of specific goods in different countries and is used to compare the absolute purchasing power of the countries' currencies. PPP is effectively the ratio of the price of a market basket at one location divided by the price of the basket of goods at a different location.
Price level indexes (PLIs), with the world average set at 100, are calculated by dividing the purchasing power parities (PPPs), where 1 PPP equals 1 US dollar in the US, by the market exchange rates, also equated to 1 US dollar. These ratios are then adjusted to align with the global average, which is standardized at 100.
This is an alphabetical list of countries by past and projected Gross Domestic Product, based on the Purchasing Power Parity (PPP) methodology, not on market exchange rates. These figures have been taken from the International Monetary Fund's World Economic Outlook (WEO) Database, October 2024 Edition. [1]
A country's gross domestic product (GDP) at purchasing power parity (PPP) per capita is the PPP value of all final goods and services produced within an economy in a given year, divided by the average (or mid-year) population for the same year.
For instance, investing in gold is a great alternative because unlike the U.S. dollar, which has lost 98% of its purchasing power since 1971, gold’s purchasing power remains more stable over time.
The following estimates are taken exclusively from the 2007 monograph Contours of the World Economy, 1–2030 AD by the British economist Angus Maddison. [4] When graphed, one can see that India was the world's largest economy from year 1 to year 1500, when it lost the position to China, who subsequently lost the position around 1890.
This is an alphabetical list of countries by past and projected Gross Domestic Product per capita, based on the Purchasing Power Parity (PPP) methodology, not on official exchange rates. Values are given in International Dollars .