| Statement 1: Population in Five-Year Age Groups - 1961 - 2001 | ||||||
| Age-groups | 2001 | 1991 | 1981 | 1971 | 1961 | |
| All Ages | Persons | 1028610328 | 838567936 | 665287849 | 548159652 | 438936918 |
| Male | 532156772 | 435208158 | 343930423 | 284049276 | 226146101 | |
| Female | 496453556 | 403359778 | 321357426 | 264110376 | 212790817 | |
| 0-4 | Persons | 110447164 | 102378032 | 83509808 | 79559516 | 66102638 |
| Male | 57119612 | 52360652 | 42227767 | 40203916 | 33187156 | |
| Female | 53327552 | 50017380 | 41282041 | 39355600 | 32915482 | |
| 5-9 | Persons | 128316790 | 111294732 | 93685877 | 82007472 | 64673959 |
| Male | 66734833 | 57419164 | 48267571 | 42211297 | 33074454 | |
| Female | 61581957 | 53875568 | 45418306 | 39796175 | 31599505 | |
| 10-14 | Persons | 124846858 | 98691898 | 85911367 | 68767834 | 49306185 |
| Male | 65632877 | 51947630 | 45265292 | 36493304 | 26274554 | |
| Female | 59213981 | 46744268 | 40646075 | 32274530 | 23031631 | |
| 0-14 | Persons | 363610812 | 312364662 | 263107052 | 230334822 | 180082782 |
| child | Male | 189487322 | 161727446 | 135760630 | 118908517 | 92536164 |
| Female | 174123490 | 150637216 | 127346422 | 111426305 | 87546618 | |
| 15-19 | Persons | 100215890 | 79034929 | 64138807 | 47468232 | 35882536 |
| Male | 53939991 | 42231074 | 34026988 | 25221778 | 18598698 | |
| Female | 46275899 | 36803855 | 30111819 | 22246454 | 17283838 | |
| 20-24 | Persons | 89764132 | 74472704 | 57337858 | 43101354 | 37332553 |
| Male | 46321150 | 37514223 | 29000075 | 21573419 | 18198855 | |
| Female | 43442982 | 36958481 | 28337783 | 21527935 | 19133698 | |
| 25-29 | Persons | 83422393 | 69239258 | 50724615 | 40820450 | 36581924 |
| Male | 41557546 | 34546587 | 25754744 | 20339371 | 18532373 | |
| Female | 41864847 | 34692671 | 24969871 | 20481079 | 18049551 | |
| 30-34 | Persons | 74274044 | 58404484 | 42379742 | 36188417 | 30842254 |
| Male | 37361916 | 29917765 | 21579341 | 18321341 | 15987651 | |
| Female | 36912128 | 28486719 | 20800401 | 17867076 | 14854603 | |
| 35-39 | Persons | 70574085 | 52398870 | 38858769 | 32898302 | 25463994 |
| Male | 36038727 | 27558300 | 19899071 | 17236348 | 13603632 | |
| Female | 34535358 | 24840570 | 18959698 | 15661954 | 11860362 | |
| 40-44 | Persons | 55738297 | 42556339 | 34187633 | 28287984 | 22860194 |
| Male | 29878715 | 22842245 | 18033270 | 15058117 | 12086511 | |
| Female | 25859582 | 19714094 | 16154363 | 13229867 | 10773683 | |
| 45-49 | Persons | 47408976 | 36133798 | 29238729 | 22884783 | 18058943 |
| Male | 24867886 | 18954561 | 15372729 | 12467510 | 9736448 | |
| Female | 22541090 | 17179237 | 13866000 | 10417273 | 8322495 | |
| 15-49 | Persons | 521397817 | 412240382 | 316866153 | 251649522 | 207022398 |
| Male | 269965931 | 213564755 | 163666218 | 130217884 | 106744168 | |
| Female | 251431886 | 198675627 | 153199935 | 121431638 | 100278230 | |
| 50-54 | Persons | 36587559 | 31113592 | 25396902 | 20530924 | 17110781 |
| Male | 19851608 | 16904890 | 13794218 | 11115887 | 9131009 | |
| Female | 16735951 | 14208702 | 11602684 | 9415037 | 7979772 | |
| 54-59 | Persons | 27653347 | 21472502 | 16416580 | 12828389 | 9832379 |
| Male | 13583022 | 10941747 | 8498073 | 6876424 | 5283307 | |
| Female | 14070325 | 10530755 | 7918507 | 5951965 | 4549072 | |
| 15-59 | Persons | 585638723 | 464826476 | 358679635 | 285008835 | 233965558 |
| work force | Male | 303400561 | 241411392 | 185958509 | 148210195 | 121158484 |
| Female | 282238162 | 223415084 | 172721126 | 136798640 | 112807074 | |
| 60-64 | Persons | 27516779 | 22748976 | 18167560 | 14374032 | 11239775 |
| Male | 13586347 | 11907237 | 9385925 | 7484721 | 5707148 | |
| Female | 13930432 | 10841739 | 8781635 | 6889311 | 5532627 | |
| 65-69 | Persons | 19806955 | 12858499 | 9514421 | 7001249 | 4851934 |
| Male | 9472103 | 6493630 | 4793728 | 3644372 | 2472732 | |
| Female | 10334852 | 6364869 | 4720693 | 3356877 | 2379202 | |
| 70-74 | Persons | 14708644 | 10554081 | 8196142 | 5878564 | 4415078 |
| Male | 7527688 | 5535950 | 4190266 | 3035015 | 2156285 | |
| Female | 7180956 | 5018131 | 4005876 | 2843549 | 2258793 | |
| 75-79 | Persons | 6551225 | 4145573 | 3162496 | 2245708 | 1720383 |
| Male | 3263209 | 2102284 | 1599673 | 1151445 | 853498 | |
| Female | 3288016 | 2043289 | 1562823 | 1094263 | 866885 | |
| 80+ | Persons | 8038718 | 6374511 | 4126765 | 3200178 | 2484939 |
| Male | 3918980 | 3324624 | 2053275 | 1558772 | 1167024 | |
| Female | 4119738 | 3049887 | 2073490 | 1641406 | 1317915 | |
| =>60 | Persons | 76622321 | 56681640 | 43167384 | 32699731 | 24712109 |
| elderly | Male | 37768327 | 29363725 | 22022867 | 16874325 | 12356687 |
| Female | 38853994 | 27317915 | 21144517 | 15825406 | 12355422 | |
| ANS | Persons | 2738472 | 4695158 | 333778 | 116264 | 176469 |
| Male | 1500562 | 2705595 | 188417 | 56239 | 94766 | |
| Female | 1237910 | 1989563 | 145361 | 60025 | 81703 | |
| Note: 1. ANS : Age not stated | ||||||
| 2. 1961 figures exclude the population of that portion of the then North East Frontier Agency, where All India Census , scheduled was not canvassed | ||||||
| 3. 1981 figures exclude state of Assam where 1981 census could not be conducted due to disturbed conditions. | ||||||
| 4. 1991 figures exclude state of J & K where 1981 census could not be conducted due to disturbed conditions. | ||||||
| 5. 2001 figures exclude of Paomata,Mao-Maram, and Purul sub-divisions of Senapati district of Manipur. | ||||||
| Source: Report and Tables on Age, Census of India 2001, Registrar General and Census Commissioner of India | ||||||