That said, average per capita emissions in developed regions are significantly higher than in developing regions. In developed regions, average emissions are about 11 metric tons of C02 per person per year, compared to about 3 metric tons in developing regions, though wide variations are found among regions. Emissions per unit of economic output remain higher in developing than in developed regions: 0.6 versus 0.4 kilograms of C02, respectively, per dollar of economic output in 2010.