| Rank | State / Union Territory | Population | % |
| 1 | Uttar Pradesh | 166,197,921 | 16.16% |
| 2 | Maharashtra | 96,878,627 | 9.42% |
| 3 | Bihar | 82,998,509 | 8.07% |
| 4 | West Bengal | 80,176,197 | 7.79% |
| 5 | Andhra Pradesh | 76,210,007 | 7.41% |
| 6 | Tamil Nadu | 62,405,679 | 6.07% |
| 7 | Madhya Pradesh | 60,348,023 | 5.87% |
| 8 | Rajasthan | 56,507,188 | 5.49% |
| 9 | Karnataka | 52,850,562 | 5.14% |
| 10 | Gujarat | 50,671,017 | 4.93% |
| 11 | Orissa | 36,804,660 | 3.58% |
| 12 | Kerala | 31,841,374 | 3.10% |
| 13 | Jharkhand | 26,945,829 | 2.62% |
| 14 | Assam | 26,655,528 | 2.59% |
| 15 | Punjab | 24,358,999 | 2.37% |
| 16 | Haryana | 21,144,564 | 2.06% |
| 17 | Chhattisgarh | 20,833,803 | 2.03% |
| UT1 | Delhi | 13,850,507 | 1.35% |
| 18 | Jammu and Kashmir | 10,143,700 | 0.99% |
| 19 | Uttarakhand | 8,489,349 | 0.83% |
| 20 | Himachal Pradesh | 6,077,900 | 0.59% |
| 21 | Tripura | 3,199,203 | 0.31% |
| 22 | Meghalaya | 2,318,822 | 0.23% |
| 23 | Manipurβ | 2,166,788 | 0.21% |
| 24 | Nagaland | 1,990,036 | 0.19% |
| 25 | Goa | 1,347,668 | 0.13% |
| 26 | Arunachal Pradesh | 1,097,968 | 0.11% |
| UT2 | Pondicherry | 974,345 | 0.09% |
| UT3 | Chandigarh | 900,635 | 0.09% |
| 27 | Mizoram | 888,573 | 0.09% |
| 28 | Sikkim | 540,851 | 0.05% |
| UT4 | Andaman and Nicobar Islands | 356,152 | 0.03% |
| UT5 | Dadra and Nagar Haveli | 220,490 | 0.02% |
| UT6 | Daman and Diu | 158,204 | 0.02% |
| UT7 | Lakshadweep | 60,650 | 0.01% |
| Total | India | 1,150,075,668 | 100.00% |
States & Union Territories of India By Population
