Note: (a) measurement unit is million metric tons containing 6 kinds of greenhouse gas emissions show as carbon dioxide equivalent (CO2e). (b) The four major countries of carbon emissions ranked by per capita are Qatar (55 metric tons per person), the United Arab Emirates (38.8 metric tons), Kuwait (35.0 metric tons) and Luxembourg (27.5 metric tons).

From: World Resources Institute (WRI) 2009 Climate analysis tools totally assess 186 countries.