| Northwest Territories | |||
| Population, by Five Year Age Group and Sex | |||
| Census 1996 | |||
| Both Sexes | Males | Females | |
| All Ages | 39,670 | 20,470 | 19,205 |
| 0 - 4 Years | 4,085 | 2,095 | 1,990 |
| 5 - 9 Years | 3,955 | 1,975 | 1,980 |
| 10 - 14 Years | 3,465 | 1,850 | 1,615 |
| 15 - 19 Years | 3,060 | 1,570 | 1,485 |
| 20 - 24 Years | 2,915 | 1,485 | 1,430 |
| 25 - 29 Years | 3,660 | 1,785 | 1,870 |
| 30 - 34 Years | 4,115 | 2,090 | 2,030 |
| 35 - 39 Years | 3,830 | 1,955 | 1,875 |
| 40 - 44 Years | 3,090 | 1,625 | 1,460 |
| 45 - 49 Years | 2,640 | 1,410 | 1,235 |
| 50 - 54 Years | 1,615 | 915 | 700 |
| 55 - 59 Years | 1,080 | 575 | 500 |
| 60 - 64 Years | 760 | 420 | 340 |
| 65 - 69 Years | 530 | 285 | 250 |
| 70 - 74 Years | 345 | 175 | 175 |
| 75 - 79 Years | 235 | 140 | 95 |
| 80 - 84 Years | 150 | 65 | 85 |
| 85 - 89 Years | 85 | 35 | 50 |
| 90 Yrs. & Older | 50 | 20 | 35 |