Dataset
Number of carbon pricing instruments
Carbon taxes and emissions trading systems reported by the World Bank in each edition of State and Trends of Carbon Pricing.
87instruments in operation (47 taxes, 40 ETSs), April 2026
| Edition | Instruments |
|---|---|
| 2018 | 51 |
| 2019 | 57 |
| 2020 | 61 |
| 2021 | 64 |
| 2022 | 68 |
| 2023 | 73 |
| 2024 | 75 |
| 2025 | 80 |
| 2026 | 87 |
Source: World Bank, State and Trends of Carbon Pricing · 2018–2026 editions · Unit: instruments