China is the largest operational emissions trading market in the world. The country's ETS launched in July 2021, and as of 2023 covered around *** billion metric tons of carbon dioxide (GtCO₂). This accounted for just over 40 percent of China's annual CO₂ emissions that year. Meanwhile. the European Union ETS, which became the world's first ETS in 2005, covered around *** GtCO₂e as of 2024.
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International Carbon Action Partnership. (April 9, 2025). Emissions covered by selected emissions trading systems (ETS) worldwide as of 2025 (in million metric tons of carbon dioxide equivalent) [Graph]. In Statista. Retrieved June 26, 2025, from https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/
International Carbon Action Partnership. "Emissions covered by selected emissions trading systems (ETS) worldwide as of 2025 (in million metric tons of carbon dioxide equivalent) ." Chart. April 9, 2025. Statista. Accessed June 26, 2025. https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/
International Carbon Action Partnership. (2025). Emissions covered by selected emissions trading systems (ETS) worldwide as of 2025 (in million metric tons of carbon dioxide equivalent) . Statista. Statista Inc.. Accessed: June 26, 2025. https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/
International Carbon Action Partnership. "Emissions Covered by Selected Emissions Trading Systems (Ets) Worldwide as of 2025 (in Million Metric Tons of Carbon Dioxide Equivalent) ." Statista, Statista Inc., 9 Apr 2025, https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/
International Carbon Action Partnership, Emissions covered by selected emissions trading systems (ETS) worldwide as of 2025 (in million metric tons of carbon dioxide equivalent) Statista, https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/ (last visited June 26, 2025)
Emissions covered by selected emissions trading systems (ETS) worldwide as of 2025 (in million metric tons of carbon dioxide equivalent) [Graph], International Carbon Action Partnership, April 9, 2025. [Online]. Available: https://www.statista.com/statistics/1315109/largest-ets-markets-by-coverage/
