Census of 2001
The Hindu population of India according to the official 2001 census is given below. Most drastic decrease in 1991-2001 period is observed in Manipur, from 57% to 46%, where there has been a resurgence of the indigenous Sanamahi religion. Except for Punjab (Sikh majority), Kashmir (Muslim majority) and major parts of North-East India (out of the 7 states of North east - Meghalaya, Mizoram, Nagaland, have Hindu minority while Assam and Tripura are Hindu majority and Manipur and Arunachal Pradesh still has Hinduism as the leading religion though not in an absolute majority.) The other Indian states and union territories have an overwhelming majority of Hindus. For more detailed figures from 2001 census, see this table.
| Region | Hindus | Total | % Hindus |
| India | 827,578,868 | 1,028,610,328 | 80.46% |
| Chhattisgarh | 19,729,670 | 20,833,803 | 96.30% |
| Himachal Pradesh | 5,800,222 | 6,077,900 | 95.43% |
| Orissa | 34,726,129 | 36,804,660 | 94.35% |
| Dadra and Nagar Haveli | 206,203 | 220,490 | 93.52% |
| Madhya Pradesh | 55,004,675 | 60,348,023 | 91.15% |
| Daman and Diu | 141,901 | 158,204 | 89.69% |
| Gujarat | 45,143,074 | 50,671,017 | 89.09% |
| Andhra Pradesh | 67,836,651 | 76,210,007 | 89.01% |
| Rajasthan | 50,151,452 | 56,507,188 | 88.75% |
| Haryana | 18,655,925 | 21,144,564 | 88.23% |
| Tamil Nadu | 54,985,079 | 62,405,679 | 88.11% |
| Pondicherry | 845,449 | 974,345 | 86.77% |
| Tripura | 2,739,310 | 3,199,203 | 85.62% |
| Uttarakhand | 7,212,260 | 8,489,349 | 84.96% |
| Karnataka | 44,321,279 | 52,850,562 | 83.86% |
| Bihar | 69,076,919 | 82,998,509 | 83.23% |
| Delhi | 11,358,049 | 13,850,507 | 82.00% |
| Uttar Pradesh | 133,979,263 | 166,197,921 | 80.61% |
| Maharashtra | 77,859,385 | 96,878,627 | 80.37% |
| Chandigarh | 707,978 | 900,635 | 78.61% |
| West Bengal | 58,104,835 | 80,176,197 | 72.47% |
| Andaman and Nicobar Islands | 246,589 | 356,152 | 69.24% |
| Jharkhand | 18,475,681 | 26,945,829 | 68.57% |
| Goa | 886,551 | 1,347,668 | 65.78% |
| Assam | 17,296,455 | 26,655,528 | 64.89% |
| Sikkim | 329,548 | 540,851 | 60.93% |
| Kerala | 17,883,449 | 31,841,374 | 56.16% |
| Manipur | 996,894 | 2,166,788 | 46.01% |
| Arunachal Pradesh | 379,935 | 1,097,968 | 34.60% |
| Punjab | 8,997,942 | 24,358,999 | 31.04% |
| Jammu and Kashmir | 3,005,349 | 10,143,700 | 29.63% |
| Meghalaya | 307,822 | 2,318,822 | 13.27% |
| Nagaland | 153,162 | 1,990,036 | 7.70% |
| Lakshadweep | 2,221 | 60,650 | 3.66% |
| Mizoram | 31,562 | 888,573 | 3.55% |
Read more about this topic: Hinduism In India