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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| オーストラリア | 143,963.5 | 165,945.1 | 133,024.3 | 129,412.3 | 177,596.5 | 176,798.0 | 140,883.8 | 154,126.2 | 151,225.3 | 134,687.4 | 157,518.4 | 156,428.4 | 144,211.8 | 131,484.8 |
| ブルネイ·ダルサラーム国 | 1,414.8 | 1,849.9 | 1,995.8 | 1,922.3 | 1,972.8 | 1,924.2 | 1,763.7 | 1,741.3 | 1,668.8 | 1,656.7 | 1,721.4 | 1,686.5 | 1,637.3 | 1,538.9 |
| 日本 | 36,979.3 | 33,316.6 | 31,415.4 | 29,737.1 | 29,682.1 | 29,530.7 | 29,221.8 | 28,663.1 | 27,895.7 | 27,574.6 | 27,414.2 | 26,580.9 | 26,155.3 | 25,783.3 |
| マレーシア | 19,889.0 | 26,237.9 | 30,841.5 | 33,243.7 | 33,298.5 | 34,092.6 | 35,807.9 | 36,770.5 | 37,665.7 | 37,742.2 | 37,498.6 | 37,943.1 | 38,069.2 | 37,175.6 |
| ニュージーランド | 32,973.4 | 32,754.4 | 33,749.8 | 33,578.2 | 33,510.9 | 33,984.4 | 33,804.4 | 34,096.6 | 33,219.5 | 33,181.7 | 32,959.4 | 32,778.7 | 32,574.1 | 32,241.9 |
| シンガポール | 1,282.6 | 1,744.4 | 2,284.8 | 3,157.6 | 3,299.0 | 3,436.5 | 3,576.7 | 3,716.0 | 3,856.5 | 3,957.6 | 4,060.4 | 4,152.0 | 4,251.3 | 4,347.7 |
| ベトナム | 43,289.8 | 65,103.5 | 75,803.3 | 82,330.6 | 83,109.4 | 83,616.3 | 84,542.6 | 84,502.6 | 83,621.3 | 82,496.4 | 81,974.8 | 81,798.9 | 80,654.4 | 79,619.2 |
| チリ | 10,067.8 | 12,473.6 | 11,821.8 | 12,395.9 | 12,438.3 | 12,704.6 | 11,597.7 | 10,825.2 | 10,595.6 | 10,901.4 | 11,032.7 | 11,454.0 | 11,657.5 | 11,795.5 |
| メキシコ | 100,576.0 | 116,968.9 | 128,238.9 | 132,475.0 | 135,080.0 | 134,455.9 | 128,154.0 | 136,646.7 | 143,502.2 | 143,447.7 | 141,232.8 | 142,148.5 | 142,624.9 | 143,480.9 |
| ペルー | 17,425.3 | 25,693.0 | 27,518.3 | 29,728.6 | 30,309.0 | 30,652.0 | 30,831.2 | 31,163.3 | 31,170.2 | 31,412.8 | 31,374.1 | 31,518.5 | 31,745.4 | 31,679.8 |
| カナダ | 68,724.0 | 84,876.4 | 91,471.9 | 86,175.3 | 87,322.1 | 87,736.7 | 90,694.0 | 93,075.2 | 93,503.2 | 95,780.5 | 100,099.9 | 103,366.5 | 103,220.2 | 100,143.4 |