The Economist magazine has released their World in 2012 special issue.
GDP and PPP by Country
GDP trillion PPP GDP per head PPP per head United States 15.6 15.6 $49340 $49340 China 8.13 12.3 $6120 $9280 Japan 6.41 4.5 $50830 $36000 Germany 3.49 3.2 $43740 $40280 France 2.73 2.3 $42930 $36220 UK 2.51 2.3 $39770 $36310 Brazil 2.50 2.4 $12850 $12500 India 2.37 5.1 $1940 $4170 Italy 2.20 2.0 $36100 $32700 Russia 1.93 2.5 $13650 $17750 Canada 1.79 1.5 $51530 $41860 Spain 1.54 1.5 $33180 $32140 Australia 1.40 1.0 $61040 $42130 South Korea 1.25 1.6 $25010 $31770 Mexico 1.10 2.0 $9570 $17700 Indonesia 0.99 1.2 $3990 $4900
Wikipedia has IMF estimates for 2012 through 2016
In 2012, China’s economy on a nominal GDP basis will be over half the size of the US economy. The last time that happened was 1987 to 1997 when Japan was over half of the size of the US economy. In 1993, Japan got as close as 65% of the size of the US economy.
Credit Suisse has estimated that China has about 30% more GDP in hidden economy.
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