CO2 emissions from transport

The United States of America is the top country by CO2 emissions from transport in the world. As of 2021, CO2 emissions from transport in the United States of America was 1,648 metric tons that accounts for 26.54% of the world's CO2 emissions from transport. The top 5 countries (others are China, India, Russian Federation, and Brazil) account for 53.75% of it. The world's total CO2 emissions from transport was estimated at 6,208 metric tons in 2021.