Nigeria Super Eagles have moved up from 42nd to 41st position in the latest FIFA ranking released on Thursday but remain the seventh-ranked African side behind Algeria, Cote d’Ivoire, Ghana, Tunisia, Cape Verde and Senegal.
Germany occupy the first position while Argentina and Colombia are second and third respectively.
The biggest climbers of the month are Barbados (131st) and Bermuda (169th), both of whom have risen by 11 places.
With Northern Ireland (43rd, up 8) back in the top 50 and Congo dropping three places down to 52nd, the composition of the top 50 has changed slightly in favour of UEFA, which is currently represented by 29 teams, followed by CAF (11), CONMEBOL (6), CONCACAF (3) and the AFC (1), while the OFC has none.
The best-ranked teams by confederation are Germany (1st), Argentina (2nd), Costa Rica (13th), Algeria (18th), Iran (42nd) and New Zealand (134th).