Global CO2 emissions 37.9 billion tones In 2018, China, the United States, India, the EU28, Russia and Japan - the world’s largest CO2 emitters - together accounted for 51% of the population, 65% of global Gross Domestic Product World Bank, 80% of total global fossil fuel consumption and emitted 67.5% of total global fossil CO2: China - 29.71% USA - 13.92% EU - 9.13% India - 6.92% Russia - 4.61% Japan - 3.16%
