Who Emits the Most?

In 2019, China was the biggest emitter of fossil fuel carbon dioxide (CO2) emissions. With a share of almost 30 percent of the world's total CO2 emissions that year, this was roughly twice the amount emitted by the second largest emitter the United States.

Who has the highest emission?

China is the largest emitter of CO2 in the world, with about 9.3 GT of carbon dioxide emissions in 2017. This is about 28% of the world's total emissions. China's per capita emissions are around 6.5 tons, the 12th-highest of any country.

Which country currently emits the most?

China is the world's largest contributing country to CO2 emissions—a trend that has steadily risen over the years—now producing 10.06 billion metric tons of CO2.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.