This bar chart shows the countries with the highest per capita carbon dioxide emissions on a per capita basis. The horizontal axis has the emissions per capita in metric tonnes, ranging from 0 to 50. The vertical axis gives the 12 countries, and also the world average. Here are the countries with their approximate emissions in tonnes per capita: Qatar 46, United Arab Emirates 24, Bahrain 22, Kuwait 20, United States 20, Singapore 20, Luxembourg 17, Australia 17, Canada 16, Belgium 12, Netherlands 11, Denmark 11, and the overall World average, which is 4 tonnes per capita.