Guinée-Bissau - Religions
| Date | Christianisme | Islam | Animisme | Bahaïsme | Autres | Sans religion |
|---|---|---|---|---|---|---|
| 2010 | 10,88% | 39,91% | 47,50% | 0,02% | 0,06% | 1,62% |
| 2005 | 11,98% | 42,00% | 44,00% | 0,02% | 0,55% | 1,45% |
| 2000 | 12,00% | 41,65% | 45,00% | 0,02% | 0,05% | 1,29% |
| 1995 | 13,34% | 35,00% | 50,00% | 0,02% | 0,28% | 1,37% |
| 1990 | 11,96% | 33,00% | 53,00% | 0,02% | 0,60% | 1,41% |
| 1985 | 13,00% | 33,00% | 52,98% | 0,02% | 0,01% | 1,00% |
| 1980 | 12,44% | 32,00% | 55,00% | 0,01% | 0,43% | 0,12% |
| 1975 | 10,64% | 30,32% | 59,01% | 0,01% | 0,02% | 0% |