List of Countries by GDP (PPP)

GDP is the total market value of all final goods and services produced in a country in a given year. Each country reports its data in its own currency. To compare the data, each country's statistics must be converted into a common currency. Two methods are used for conversion, nominal and purchasing power parity (PPP). In purchasing power parity (PPP) exchange rate — the rate at which the currency of one country would have to be converted into that of another country to buy the same amount of goods and services in each country. IMF explains, "If a hamburger is selling in London for £2 and in New York for $4, this would imply a PPP exchange rate of 1 pound to 2 U.S. dollars".

With 18.3% of the world economy, China is the world's largest economy in 2020, On a PPP basis. The total economy of china is estimated at over 24 trillion international dollars. The United States follows China with a figure of 20.9 trillion. Tuvalu is the world's smallest national economy with a GDP (PPP) of approximately Int. $50 million.

Twenty-seven economies have gdp (ppp) greater than $1 trillion. In 2020, Argentina and the Philippines fell below $1 trillion marks. Ninty have above Int. $100 billion and 158 have above Int. $10 billion. The top five economies constitute about half of the global gdp; the top ten make up 61%, top 20 economies add up to over 75%. Eighty smallest economies only contribute 1 %, and 150 lowest ranked constitute only 10 % of the total.

Top Gainers in 2020: At current prices, With $819 bn, China is the highest gainer, followed by Turkey (Int. $75 bn), Egypt (Int. $59 bn), Taiwan Province of China (Int. $55 bn) and Vietnam (Int. $42 bn). Among the top ten largest economies, only China's gdp has increased. Turkey, Korea and Taiwan are the remaining gainers among the top 20 largest economies.

Top Losers in 2020: Out of 194 economies estimated by IMF, the GDP of 146 economies decreased in 2020 compared to 2019. These 146 economies account for almost 70% of the world economy. India (Int. $-655 bn), United States (Int. $-500 bn), United Kingdom (Int. $-287 bn), France (Int. $-230 bn) and Italy (Int. $-207 bn) are the biggest losers.

Changes in rank: Benin (+8), Guinea (+7), and Guyana (+7) are the top improvers in ppp ranking. Libya fell by huge 27 spots, followed by Macao SAR (-25).