List of Countries by GDP (PPP)

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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 19.3% of the world economy, China is world's largest economy in 2019, On the PPP basis. Total economy of china is estimated over 27 trillion international dollar. China is followed by United States with figure 21.4 trillion. Tuvalu is the world's smallest national economy with a GDP (PPP) of approximately Int. $47 million.

28 economies have gdp (ppp) greater than $1 trillion. In 2019, Netherlands and Philippines has entered in $1 trillion economy. 87 have above Int. $100 billion and 166 have above Int. $10 billion. Top 20 economies add up to over 75%. 83 smallest economies only contribute 1 % in world gdp (ppp) and 151 lowest ranked constitute only 10 % of total.

Top Gainers in 2019: At current prices, China is the largest contributor of increment in global GDP. GDP of China has grown by over 2 trillion Int. $ in 2019. United States and India are second third largest contributer, resp.

Top Losers in 2019: Out of 192 economies estimated by IMF, GDP GDP of 7 economies have declined in 2019. Except Islamic Republic of Iran, which figure has declined by over 100 bn, none have declined by more than 15 bn.

Changes in rank: Benin and Ghana are highest gainers in World GDP (PPP) Ranking moving up by 4 positions. Libya is biggest loser in ppp ranking as its rank has moved down by 7 positions.