List of countries by 2008 emissionsRank Country Annual CO2 emissions[8][9] (in thousands of metric tonnes) Percentage of global total World 29,888,121 100% 1 China[10] 7,031,916 23.33% 2 United States 5,461,014 18.11% - European Union (27) 4,177,817.86[11] 14.04% 3 India 1,742,698 5.78% 4 Russia 1,708,653 5.67% 5 Japan 1,208,163 4.01% 6 Germany 786,660 2.61% 7 Canada 544,091 1.80% 8 Iran 538,404 1.79% 9 United Kingdom 522,856 1.73% 10 South Korea 509,170 1.69% 11 Mexico 475,834 1.58% 12 Italy[12] 445,119 1.48% 13 South Africa 435,878 1.45% 14 Saudi Arabia 433,557 1.44% 15 Indonesia 406,029 1.35% 16 Australia 399,219 1.32% 17 Brazil 393,220 1.30% 18 France[13] 376,986 1.25% 19 Spain 329,286 1.09% 20 Ukraine 323,532 1.07% 21 Poland 316,066 1.05%
The rest are below 1%
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