Includes reduction credits, nature-based removal credits, and engineered removal credits. Reduction credits are issued by projects that reduce/avoid emissions being released into the atmosphere (e.g., by reducing deforestation occurring in an area of tropical forest). Removal credits are issued by projects that directly remove emissions from the atmosphere, either via nature-based or engineered processes.
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Global market size of carbon credits retired 2021-2024
The global market size of retired carbon credits was *** billion U.S. dollars in 2024. More than half of this total was from reduction credits, such as those issued by projects that reduce deforestation. The value of carbon credits used by corporations has fallen slightly since 2022, when the market size reached *** billion U.S. dollars. The number of annual carbon credit retirements has remained at around *** million metric tons of carbon dioxide equivalent in recent years. Retired credits are those that have been permanently removed from the market.
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MSCI. (January 6, 2025). Market size of carbon credit retirements worldwide from 2021 to 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1617836/carbon-credit-market-size-retired/
MSCI. "Market size of carbon credit retirements worldwide from 2021 to 2024." Chart. January 6, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1617836/carbon-credit-market-size-retired/
MSCI. (2025). Market size of carbon credit retirements worldwide from 2021 to 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1617836/carbon-credit-market-size-retired/
MSCI. "Market Size of Carbon Credit Retirements Worldwide from 2021 to 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 Jan 2025, /statistics/1617836/carbon-credit-market-size-retired/
MSCI, Market size of carbon credit retirements worldwide from 2021 to 2024 ÌÇÐÄÆƽâ°æ, /statistics/1617836/carbon-credit-market-size-retired/ (last visited July 25, 2026)
Market size of carbon credit retirements worldwide from 2021 to 2024 [Graph], MSCI, January 6, 2025. [Online]. Available: /statistics/1617836/carbon-credit-market-size-retired/
