軍の要員は現役軍人ですが、訓練、組織、装置、および制御が、正規軍を支援したり、正規軍の代わりに使用される可能性がある場合、準軍事部隊を含めます。
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ベナン | 6,000 | 7,300 | 8,000 | 7,250 | 9,450 | 9,450 | 9,450 | 9,450 | 9,750 | 9,750 | 12,000 | 12,250 | 12,000 | 12,000 |
| ブルキナファソ | 10,000 | 11,300 | 11,250 | 11,450 | 11,450 | 11,450 | 11,450 | 11,450 | 11,450 | 11,450 | 11,000 | 11,200 | 11,000 | 11,000 |
| カーボベルデ | 1,000 | 1,200 | 1,000 | 1,200 | 1,200 | 1,200 | 1,200 | 1,200 | 1,200 | 1,200 | 1,000 | 1,200 | 1,000 | 1,000 |
| コートジボワール | 15,000 | 19,000 | 25,000 | 25,000 | 25,000 | 27,000 | 27,000 | 134,000 | 27,000 | |||||
| ガーナ | 9,000 | 8,000 | 7,000 | 15,500 | 15,500 | 15,500 | 15,500 | 15,500 | 15,500 | 15,500 | 16,000 | 15,500 | 16,000 | 16,000 |
| ギニアビサウ | 12,000 | 9,300 | 9,000 | 6,458 | 6,450 | 6,450 | 6,450 | 6,450 | 4,450 | 4,450 | 4,000 | 4,450 | 4,000 | 4,000 |
| リベリア | 8,000 | 15,000 | 15,000 | 2,040 | 2,050 | 2,050 | 2,050 | 2,050 | 2,050 | 2,050 | 2,000 | 2,100 | 2,000 | 2,000 |
| マリ | 13,000 | 15,200 | 12,000 | 12,150 | 12,150 | 7,800 | 11,800 | 13,800 | 15,800 | 17,800 | 18,000 | 21,000 | 21,000 | 41,000 |
| ニジェール | 5,000 | 10,700 | 10,000 | 10,700 | 10,700 | 10,700 | 10,700 | 10,700 | 10,700 | 10,700 | 10,000 | 10,300 | 10,000 | 10,000 |
| ナイジェリア | 94,000 | 106,500 | 161,000 | 162,000 | 162,000 | 162,000 | 162,000 | 162,000 | 200,000 | 200,000 | 215,000 | 223,000 | 223,000 | 223,000 |
| セネガル | 18,000 | 15,400 | 19,000 | 18,620 | 18,600 | 18,600 | 18,600 | 18,600 | 18,600 | 18,600 | 19,000 | 18,600 | 19,000 | 19,000 |
| シエラレオネ | 5,000 | 3,800 | 13,000 | 10,500 | 10,500 | 10,500 | 10,500 | 8,500 | 8,500 | 8,500 | 9,000 | 8,500 | 9,000 | 9,000 |
| ガンビア | 2,000 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 1,000 | 4,000 | 4,000 | 4,000 |
| トーゴ | 8,000 | 7,800 | 9,750 | 9,300 | 9,300 | 9,300 | 9,300 | 9,300 | 9,300 | 9,300 | 10,000 | 9,550 | 10,000 | 10,000 |