メタン排出は、農業や工業メタン生産など、人間の活動に起因するものです。
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| カメルーン | 14,246.1 | 17,725.8 | 17,049.3 | 14,852.9 | 14,523.1 | 14,744.7 | 15,502.7 | 16,015.7 | 17,335.2 | 17,786.4 | 16,892.6 | 17,049.2 | 17,422.2 | 17,797.7 |
| 中央アフリカ共和国 | 8,576.1 | 11,461.5 | 10,361.2 | 10,128.1 | 10,836.4 | 9,465.8 | 10,088.5 | 9,878.1 | 10,048.0 | 10,876.2 | 10,032.4 | 10,304.3 | 9,538.0 | 10,108.5 |
| チャド | 8,524.8 | 20,912.8 | 32,809.5 | 36,576.5 | 38,285.3 | 40,065.6 | 41,724.5 | 43,444.7 | 46,475.5 | 49,232.3 | 51,084.5 | 53,915.8 | 56,111.1 | 59,438.9 |
| コンゴ | 5,723.4 | 8,082.1 | 8,441.6 | 9,991.0 | 9,705.0 | 9,028.7 | 8,362.2 | 8,142.3 | 7,983.8 | 7,720.9 | 8,476.7 | 10,161.1 | 10,589.1 | 9,957.3 |
| 赤道ギニア | 96.5 | 4,654.2 | 7,960.3 | 6,642.0 | 5,940.4 | 5,811.9 | 5,523.3 | 7,559.0 | 6,904.1 | 6,226.9 | 5,634.8 | 5,480.1 | 5,028.4 | 4,778.3 |
| ガボン | 8,240.9 | 9,931.1 | 9,595.7 | 8,736.6 | 8,589.2 | 8,329.3 | 8,021.2 | 8,140.6 | 8,249.9 | 8,253.5 | 7,484.3 | 7,068.5 | 7,821.9 | 7,451.6 |