Cameroon are no longer one of the world's top 50 ranked teams as revealed by Fifa's list for November.
The Indomitable Lions, who sacked coach Volker Finke last week, dropped three places to 51st spot, their lowest ranking since 2013.
A similar fate was suffered by Congo, who also lost their top-50 status after a drop of three places - they are now ranked 52nd.
Ivory Coast have taken over from Algeria as the highest-ranked team.
And there was also positive news for Chad, who moved up 39 places to 136th and Sao Tome e Principe who rose 36 spots to sit in 157th.
Top African teams in Fifa's world rankings for November (world ranking in brackets):
1. (22) Ivory Coast
2. (26) Algeria
3. (30) Ghana
4. (32) Cape Verde
5. (39) Senegal
6. (41) Tunisia
7. (51) Cameroon
8. (52) Congo
9. (53) Guinea
10. (55) DR Congo