| Country | Year | |||||
|---|---|---|---|---|---|---|
| Angola | 1997 | 5,614,988 | 5,537,576 | 11,152,564 | ||
| Chad | 1997 | 3,303,437 | 3,633,730 | 6,937,167 | ||
| Congo (Brazzaville) | 1997 | 1,279,499 | 1,322,118 | 2,601,617 | ||
| Congo (Kinshasa) | 1997 | 22,826,751 | 23,364,207 | 46,190,958 | ||
| Cameroon | 1997 | 7,041,704 | 7,008,838 | 14,050,542 | ||
| Central African Republic | 1997 | 1,748,494 | 1,823,425 | 3,571,919 | ||
| Equatorial Guinea | 1997 | 212,330 | 221,778 | 434,108 | ||
| Gabon | 1997 | 537,815 | 549,662 | 1,087,477 | ||
| Sao Tome and Principe | 1997 | 62,799 | 63,804 | 126,603 |