# CO2 emissions (total) — KHM
> Latest: 21.88 млн т CO2 (2024). Change: +2.2% vs 2023.
- Unit: млн т CO2
- Frequency: Annual · Coverage: 1955–2024
- Data updated: 2026-10-09
- Source: Our World in Data — co2 — https://ourworldindata.org/grapher/annual-co2-emissions-per-country
- License: CC BY 4.0
- Interactive chart: https://econdash.org/chart/co2-emissions-total/KHM
## Recent values
| Year | Value |
| :--- | :--- |
| 2020 | 20.99 |
| 2021 | 20.78 |
| 2022 | 20.87 |
| 2023 | 21.41 |
| 2024 | 21.88 |
## How to cite
APA: Our World in Data. (2024). CO2 emissions (total) — KHM [Data set]. Retrieved November 8, 2026, from EconDash: https://econdash.org/chart/co2-emissions-total/KHM. Original source: https://ourworldindata.org/grapher/annual-co2-emissions-per-country
## Full data
Full time series: https://econdash.org/docs/agent-payments (free API trial for core indicators of 10 major economies; otherwise an API key or pay per call)