Which country has the highest CO2 emissions?

China has the highest CO2 emissions at 12.2 billion metric tonnes CO2 as of 2023.

Which country has the lowest CO2 emissions?

Niue has the lowest CO2 emissions at 9 thousand metric tonnes CO2 as of 2023.

The global total for CO2 emissions is 37.07 billion metric tonnes CO2 as of 2023.

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1980

2023

Canada has the 11th highest CO2 emissions among 212 countries with data in 2023.

How does Canada rank globally for CO2 emissions?: Canada has the 11th highest CO2 emissions among 212 countries with data in 2023.
Which country has the highest CO2 emissions?: China has the highest CO2 emissions at 12.2 billion metric tonnes CO2 as of 2023.
Which country has the lowest CO2 emissions?: Niue has the lowest CO2 emissions at 9 thousand metric tonnes CO2 as of 2023.
What is the global total for CO2 emissions?: The global total for CO2 emissions is 37.07 billion metric tonnes CO2 as of 2023.

Year	CO2 Emissions	Energy Consumption Per Capita	Energy Consumption Per GDP
2023	585.85	311.85	6.45
2022	574.47	315.7	6.48
2021	557.15	308.65	6.52
2020	542.42	306.57	6.82
2019	607.59	337.47	7.04
2018	615.45	346.7	7.27
2017	601.58	345.01	7.33
2016	574.07	338.57	7.32
2015	592.14	346.08	7.48
2014	589.63	350.27	7.56