| Country | Year | |||||
|---|---|---|---|---|---|---|
| Angola | 1998 | 5,784,527 | 5,700,664 | 11,485,191 | ||
| Chad | 1998 | 3,403,961 | 3,741,398 | 7,145,359 | ||
| Congo (Brazzaville) | 1998 | 1,309,913 | 1,351,384 | 2,661,297 | ||
| Congo (Kinshasa) | 1998 | 23,362,495 | 23,891,502 | 47,253,997 | ||
| Cameroon | 1998 | 7,235,377 | 7,201,254 | 14,436,631 | ||
| Central African Republic | 1998 | 1,792,815 | 1,866,912 | 3,659,727 | ||
| Equatorial Guinea | 1998 | 218,791 | 227,911 | 446,702 | ||
| Gabon | 1998 | 552,440 | 564,318 | 1,116,758 | ||
| Sao Tome and Principe | 1998 | 64,104 | 65,075 | 129,179 |