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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| アンゴラ | 21,316.8 | 27,459.3 | 33,940.2 | 38,100.5 | 37,827.8 | 36,964.2 | 37,028.6 | 36,190.3 | 38,455.6 | 38,558.3 | 37,896.8 | 34,015.6 | 35,023.5 | 32,703.2 |
| ボツワナ | 5,533.5 | 5,314.5 | 3,701.7 | 9,054.0 | 11,140.5 | 5,189.4 | 4,618.6 | 3,132.5 | 2,892.0 | 2,468.0 | 3,844.7 | 2,793.7 | 1,887.4 | 3,434.5 |
| 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 |
| レソト | 986.2 | 1,174.1 | 1,144.6 | 1,090.0 | 1,112.3 | 1,115.1 | 1,047.2 | 1,032.0 | 1,018.4 | 1,000.7 | 1,089.1 | 990.4 | 909.9 | 998.8 |
| マダガスカル | 16,544.8 | 16,811.2 | 17,347.0 | 17,578.8 | 16,995.9 | 17,461.2 | 16,068.5 | 16,173.5 | 15,833.9 | 16,732.2 | 15,695.2 | 17,608.9 | 18,364.0 | 19,021.9 |
| マラウイ | 1,347.2 | 1,533.0 | 1,732.8 | 2,381.4 | 2,487.4 | 2,647.6 | 2,765.8 | 2,899.6 | 3,095.9 | 3,273.2 | 3,376.8 | 3,758.9 | 4,240.1 | 4,389.7 |
| モーリシャス | 901.7 | 1,413.4 | 1,511.7 | 1,702.6 | 1,733.6 | 1,765.6 | 1,796.0 | 1,826.5 | 1,858.7 | 1,880.9 | 1,903.8 | 1,927.6 | 1,951.6 | 1,973.7 |
| モザンビーク | 9,228.6 | 10,856.4 | 14,246.2 | 13,896.5 | 13,922.8 | 14,947.6 | 15,667.7 | 15,855.5 | 15,361.2 | 15,038.5 | 15,473.9 | 17,072.1 | 16,573.9 | 16,255.5 |
| ナミビア | 4,416.5 | 4,932.6 | 4,992.8 | 5,301.7 | 7,567.9 | 8,292.7 | 4,830.8 | 4,449.7 | 4,333.2 | 4,686.0 | 4,622.9 | 4,208.2 | 3,812.5 | 5,335.8 |
| セイシェル | 56.5 | 72.5 | 77.9 | 83.6 | 84.7 | 85.8 | 87.0 | 88.2 | 89.3 | 90.4 | 91.5 | 92.5 | 93.6 | 94.7 |
| 南アフリカ | 59,433.2 | 60,592.6 | 66,518.0 | 71,523.7 | 71,549.0 | 73,346.4 | 73,273.9 | 74,095.3 | 73,429.6 | 72,997.2 | 74,315.5 | 73,611.4 | 73,420.6 | 72,213.2 |
| エスワティニ | 1,262.5 | 1,219.2 | 1,243.5 | 1,271.6 | 1,271.5 | 1,284.4 | 1,298.5 | 1,304.2 | 1,299.4 | 1,297.5 | 1,291.9 | 1,307.3 | 1,338.5 | 1,326.0 |
| タンザニア連合共和国 | 21,782.7 | 25,861.7 | 32,473.1 | 36,376.0 | 37,995.3 | 38,507.4 | 40,321.2 | 41,146.9 | 43,014.0 | 42,896.1 | 42,080.6 | 42,422.7 | 43,778.7 | 46,487.4 |
| ザンビア | 11,986.9 | 11,542.7 | 14,455.2 | 14,410.4 | 13,866.7 | 15,462.7 | 15,732.5 | 15,594.0 | 15,821.3 | 15,598.3 | 14,998.3 | 15,218.4 | 15,729.5 | 15,448.8 |
| ジンバブエ | 9,561.3 | 11,647.7 | 11,195.6 | 12,269.6 | 12,642.0 | 12,464.9 | 12,338.9 | 11,373.4 | 12,260.2 | 11,859.2 | 12,044.0 | 12,300.2 | 12,457.2 | 12,060.8 |