This chart shows how emissions from the major emitting countries contribute to the world total. Together, the 25 countries with the largest GHG emissions accounted for approximately 80 percent of global emissions in 2005.
Sources & Notes
WRI, CAIT. Percent contributions are for year 2005 GHG emissions only. Moving from left to right, countries are added in order of their absolute emissions, with the largest being added first. Figures exclude emissions from land-use change and forestry, and bunker fuels. Adapted from Figure 2.3 in Navigating the Numbers.