GDP purchasing power parity: China: $35.04 trillion USA: $27.97 trillion India: $14.26 trillion Japan: $6.71 trillion Germany: $5.72 trillion Russia: $5.23 trillion Indonesia: $4.72 trillion Brazil: $4.26 trillion France: $4.01 trillion UK: $3.98 trillion Turkey: $3.81 trillion Mexico: $3.42 trillion Italy: $3.29 trillion South Korea: $3.06 trillion Spain: $2.51 trillion Canada: $2.47 trillion Saudi Arabia: $2.39 trillion Egypt: $1.92 trillion Iran: $1.81 trillion Poland: $1.79 trillion Australia: $1.78 trillion Pakistan: $1.64 trillion Nigeria: $1.44 trillion Argentina: $1.3 trillion UAE: $952 billion Austria: $645 billion Ukraine: $501 billion Norway: $470 billion Venezuela: $226 billion Slovenia: $113 billion Estonia: $63 billion Niger: $48 billion Iceland: $28 billion Montenegro: $18 billion Note: current international dollar. GDP comparisons using PPP are arguably more useful than those using nominal GDP when assessing the domestic market of a state because PPP takes into account the relative cost of local goods, services and inflation rates of the country, rather than using international market exchange rates, which may distort the real differences in per capita income.According to IMF