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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| アルジェリア | 54,129.6 | 73,799.2 | 86,366.4 | 83,875.3 | 81,937.3 | 85,112.1 | 85,057.6 | 88,114.4 | 88,228.6 | 90,856.9 | 90,256.3 | 91,576.9 | 90,220.8 | 86,543.9 |
| リビア | 50,200.1 | 56,058.4 | 64,027.5 | 63,107.2 | 24,771.9 | 62,052.3 | 43,830.0 | 28,337.4 | 26,495.3 | 25,728.1 | 42,299.7 | 49,075.3 | 53,112.8 | 24,033.1 |
| モロッコ | 8,909.8 | 9,530.2 | 10,208.0 | 10,578.2 | 10,971.0 | 11,046.7 | 11,238.0 | 11,426.1 | 11,490.7 | 11,618.3 | 11,722.0 | 11,907.4 | 12,095.1 | 12,029.8 |
| チュニジア | 5,065.8 | 6,398.2 | 6,604.5 | 7,402.2 | 7,377.6 | 7,465.8 | 7,382.4 | 7,351.1 | 7,105.7 | 6,896.3 | 6,731.4 | 6,788.1 | 6,705.8 | 6,653.8 |
| モーリタニア | 3,918.9 | 5,185.2 | 5,422.3 | 5,957.0 | 5,990.6 | 6,132.1 | 6,253.8 | 6,442.0 | 6,509.8 | 6,526.5 | 6,650.9 | 6,692.5 | 6,891.2 | 6,896.7 |