| CO2 emissions (kg per PPP $ of GDP) | ||||
| 1990 | 2000 | 2010 | 2011 | |
| World | 0.78 | 0.51 | 0.38 | 0.37 |
| Low income | .. | 0.37 | 0.21 | 0.21 |
| Middle income | 0.89 | 0.60 | 0.43 | 0.42 |
| High income | 0.63 | 0.44 | 0.29 | 0.28 |
| East Asia & Pacific | 1.27 | 0.71 | 0.56 | 0.56 |
| Europe & Central Asia | .. | 1.14 | 0.52 | 0.48 |
| Latin America & Caribbean | 0.38 | 0.29 | 0.21 | 0.20 |
| Middle East & North Africa | 0.52 | 0.45 | 0.36 | 0.35 |
| South Asia | 0.57 | 0.48 | 0.33 | 0.32 |
| Sub-Saharan Africa | 0.54 | 0.44 | 0.26 | 0.26 |
| Mozambique | 0.31 | 0.17 | 0.13 | 0.14 |
| Egypt, Arab Rep. | 0.35 | 0.35 | 0.25 | 0.26 |
| India | 0.69 | 0.56 | 0.37 | 0.36 |
| China | 2.21 | 0.93 | 0.67 | 0.65 |
| Brazil | 0.21 | 0.21 | 0.15 | 0.15 |
| Turkey | 0.61 | 0.37 | 0.25 | 0.25 |
| Russian Federation | .. | 1.56 | 0.60 | 0.53 |
| Germany | .. | 0.38 | 0.23 | 0.21 |
| United States | 0.81 | 0.55 | 0.36 | 0.34 |
| Source: World Bank Data | ||||
| The links above will take you directly to relevant pages at www.worldbank.org | ||||
| The geographical regions do not include high income countries | ||||
| /karsten duus 9/2016 | ||||
| The table shows how much pollution one unit of economic value produces. Bad efficiency = high numbers | ||||