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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| パプアニューギニア | 2,872.0 | 6,952.5 | 6,128.9 | 6,200.3 | 7,086.1 | 8,005.3 | 8,884.0 | 9,841.1 | 10,794.9 | 10,689.5 | 10,743.6 | 10,867.8 | 10,831.3 | 10,854.7 |
| ソロモン諸島 | 212.8 | 272.5 | 307.4 | 344.2 | 350.8 | 358.6 | 366.5 | 374.1 | 381.3 | 388.0 | 395.0 | 402.0 | 409.0 | 416.0 |
| 東ティモール | 329.3 | 479.8 | 4,980.9 | 6,571.3 | 6,448.3 | 6,367.7 | 6,184.7 | 6,066.2 | 5,989.2 | 5,734.7 | 5,516.4 | 5,278.1 | 5,123.3 | 4,794.9 |
| ハイチ | 3,330.9 | 4,387.5 | 4,597.1 | 4,830.8 | 4,890.3 | 4,932.3 | 4,963.4 | 4,983.0 | 5,053.8 | 5,154.1 | 5,177.6 | 5,121.6 | 5,186.0 | 5,203.6 |
| イエメン | 7,970.3 | 17,148.6 | 18,408.2 | 18,992.3 | 17,518.1 | 15,843.4 | 17,220.7 | 16,267.6 | 10,697.6 | 8,895.5 | 9,692.2 | 10,151.3 | 10,773.9 | 10,542.2 |
| アフガニスタン | 6,735.6 | 9,560.4 | 10,731.7 | 15,196.1 | 15,500.5 | 15,632.0 | 15,823.1 | 16,300.0 | 15,943.9 | 15,813.3 | 15,597.9 | 15,919.0 | 15,679.1 | 16,222.0 |
| ブルンジ | 599.9 | 519.0 | 604.3 | 926.2 | 1,008.2 | 1,010.0 | 1,207.3 | 1,168.3 | 1,161.3 | 1,324.8 | 1,608.2 | 1,607.0 | 1,364.9 | 1,258.2 |
| コートジボワール | 3,956.2 | 15,902.2 | 13,114.7 | 8,703.2 | 8,161.3 | 7,507.6 | 7,852.3 | 7,371.6 | 7,266.5 | 7,975.9 | 7,795.0 | 7,734.0 | 7,780.2 | 7,980.4 |
| 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 |
| コモロ | 152.9 | 155.4 | 171.3 | 202.2 | 217.1 | 224.2 | 228.1 | 235.1 | 238.4 | 234.5 | 236.4 | 236.8 | 237.0 | 236.8 |
| コンゴ民主共和国 | 21,776.7 | 22,345.9 | 29,230.9 | 31,219.5 | 30,894.8 | 29,716.8 | 31,158.2 | 32,010.8 | 33,015.4 | 33,572.5 | 35,411.3 | 34,282.0 | 35,279.8 | 35,684.2 |
| ギニア | 4,781.1 | 6,746.0 | 8,657.4 | 11,565.5 | 12,271.8 | 13,040.7 | 13,329.1 | 13,644.5 | 13,816.8 | 15,076.0 | 15,259.1 | 15,343.5 | 16,183.8 | 16,813.3 |
| ギニアビサウ | 739.3 | 839.7 | 936.0 | 1,115.6 | 1,101.4 | 1,197.8 | 1,195.5 | 1,141.2 | 1,212.9 | 1,200.6 | 1,190.4 | 1,238.3 | 1,249.7 | 1,261.1 |
| リベリア | 217.3 | 198.8 | 203.7 | 295.5 | 301.1 | 306.4 | 299.7 | 333.9 | 397.6 | 337.6 | 322.3 | 322.9 | 362.1 | 338.9 |
| サントメプリンシペ | 7.7 | 9.3 | 9.6 | 9.2 | 9.2 | 9.5 | 9.9 | 10.2 | 10.2 | 10.6 | 11.0 | 11.1 | 11.2 | 11.6 |
| シエラレオネ | 2,114.5 | 1,645.1 | 2,856.4 | 3,031.9 | 3,264.7 | 3,695.0 | 3,635.4 | 3,839.0 | 3,664.9 | 3,880.0 | 3,851.0 | 4,451.8 | 3,550.2 | 3,591.1 |
| ソマリア | 17,071.2 | 17,919.8 | 19,129.0 | 17,737.7 | 17,869.9 | 18,086.1 | 18,156.5 | 18,279.4 | 18,351.4 | 18,397.0 | 18,308.2 | 18,312.4 | 18,645.4 | 18,752.1 |
| トーゴ | 1,496.7 | 1,814.6 | 2,296.0 | 2,205.6 | 2,464.3 | 2,418.2 | 2,575.3 | 2,532.2 | 2,746.8 | 2,632.1 | 2,680.3 | 2,715.7 | 2,808.9 | 3,039.9 |
| 南スーダン | 14,879.7 | 32,632.5 | 41,921.7 | 48,081.2 | 44,539.2 | 28,106.5 | 28,470.0 | 29,534.0 | 29,757.8 | 30,243.2 | 29,480.7 | 32,177.2 | 29,005.6 | 32,385.9 |