Viet Nam - Religions
| Date | Christianisme | Islam | Hindouisme | Syncrétisme | Bouddhisme | Animisme | Bahaïsme | Autres | Sans religion |
|---|---|---|---|---|---|---|---|---|---|
| 2010 | 9,10% | 0,11% | 0,06% | 0,93% | 49,00% | 4,00% | 0,37% | 0,03% | 36,40% |
| 2005 | 10,03% | 0,11% | 0,06% | 0,97% | 50,00% | 4,57% | 0,40% | 0,07% | 33,80% |
| 2000 | 8,60% | 0,11% | 0,06% | 0,99% | 50,00% | 2,63% | 0,31% | 0,10% | 37,20% |
| 1995 | 8,00% | 0,09% | 0,05% | 1,08% | 9,00% | 5,39% | 0,43% | 2,67% | 73,29% |
| 1990 | 7,07% | 0,09% | 0,04% | 1,21% | 9,00% | 8,45% | 0,42% | 1,72% | 72,00% |
| 1985 | 8,27% | 0,10% | 0,03% | 1,36% | 9,00% | 6,38% | 0,41% | 0,44% | 74,00% |
| 1980 | 9,64% | 0,11% | 0,03% | 1,54% | 9,00% | 3,80% | 0,41% | 1,33% | 74,14% |
| 1975 | 9,40% | 0,24% | 0,05% | 3,59% | 13,16% | 8,32% | 0,87% | 0,08% | 64,29% |
| 1970 | 4,84% | 0,26% | 0,04% | 4,26% | 11,84% | 9,27% | 0,95% | 0,55% | 68,00% |
| 1965 | 5,00% | 0,29% | 0,03% | 4,00% | 12,00% | 9,00% | 1,00% | 0,21% | 68,47% |
| 1960 | 5,11% | 4,00% | 13,00% | 9,00% | 1,00% | 0,81% | 67,08% | ||
| 1955 | 5,00% | 4,00% | 11,00% | 9,00% | 1,00% | 70,00% |