| Table 1. Age and Sex by District, West Sepik: 2000 | |||||
| Total | Aitape/Lumi | Nuku | Telefomin | Vanimo/Green River | |
| Total | 185,741 | 53,382 | 46,021 | 35,587 | 50,751 |
| Less than 5 | 30,039 | 8,875 | 7,466 | 5,392 | 8,306 |
| 5 to 9 | 27,393 | 7,778 | 6,649 | 5,170 | 7,796 |
| 10 to 14 | 23,691 | 6,770 | 5,931 | 4,633 | 6,357 |
| 15 to 19 | 18,725 | 5,668 | 4,441 | 3,312 | 5,304 |
| 20 to 24 | 16,695 | 4,771 | 3,974 | 3,032 | 4,918 |
| 25 to 29 | 14,830 | 4,086 | 3,375 | 3,035 | 4,334 |
| 30 to 34 | 13,121 | 3,772 | 3,187 | 2,395 | 3,767 |
| 35 to 39 | 10,568 | 3,095 | 2,590 | 2,001 | 2,882 |
| 40 to 44 | 8,471 | 2,358 | 2,312 | 1,577 | 2,224 |
| 45 to 49 | 6,354 | 1,861 | 1,606 | 1,388 | 1,499 |
| 50 to 54 | 5,584 | 1,556 | 1,624 | 1,196 | 1,208 |
| 55 to 59 | 3,730 | 1,005 | 1,021 | 892 | 812 |
| 60 to 64 | 3,127 | 824 | 978 | 682 | 643 |
| 65 to 69 | 1,694 | 496 | 428 | 408 | 362 |
| 70 to 74 | 1,053 | 258 | 300 | 272 | 223 |
| 75 and over | 666 | 209 | 139 | 202 | 116 |
| Median | 18.1 | 17.9 | 18.3 | 18.9 | 17.7 |
| Males | 95,523 | 27,299 | 23,308 | 17,974 | 26,942 |
| Less than 5 | 15,637 | 4,652 | 3,875 | 2,720 | 4,390 |
| 5 to 9 | 14,255 | 3,996 | 3,427 | 2,696 | 4,136 |
| 10 to 14 | 12,528 | 3,616 | 3,141 | 2,409 | 3,362 |
| 15 to 19 | 9,864 | 2,910 | 2,327 | 1,733 | 2,894 |
| 20 to 24 | 8,312 | 2,460 | 1,924 | 1,402 | 2,526 |
| 25 to 29 | 7,309 | 2,031 | 1,599 | 1,423 | 2,256 |
| 30 to 34 | 6,604 | 1,865 | 1,594 | 1,182 | 1,963 |
| 35 to 39 | 5,375 | 1,518 | 1,288 | 1,039 | 1,530 |
| 40 to 44 | 4,214 | 1,169 | 1,106 | 738 | 1,201 |
| 45 to 49 | 3,230 | 922 | 796 | 694 | 818 |
| 50 to 54 | 2,824 | 759 | 806 | 585 | 674 |
| 55 to 59 | 1,921 | 478 | 503 | 502 | 438 |
| 60 to 64 | 1,636 | 421 | 492 | 356 | 367 |
| 65 to 69 | 865 | 248 | 206 | 226 | 185 |
| 70 to 74 | 574 | 145 | 148 | 147 | 134 |
| 75 and over | 375 | 109 | 76 | 122 | 68 |
| Median | 17.7 | 17.4 | 17.6 | 18.4 | 17.7 |
| Females | 90,218 | 26,083 | 22,713 | 17,613 | 23,809 |
| Less than 5 | 14,402 | 4,223 | 3,591 | 2,672 | 3,916 |
| 5 to 9 | 13,138 | 3,782 | 3,222 | 2,474 | 3,660 |
| 10 to 14 | 11,163 | 3,154 | 2,790 | 2,224 | 2,995 |
| 15 to 19 | 8,861 | 2,758 | 2,114 | 1,579 | 2,410 |
| 20 to 24 | 8,383 | 2,311 | 2,050 | 1,630 | 2,392 |
| 25 to 29 | 7,521 | 2,055 | 1,776 | 1,612 | 2,078 |
| 30 to 34 | 6,517 | 1,907 | 1,593 | 1,213 | 1,804 |
| 35 to 39 | 5,193 | 1,577 | 1,302 | 962 | 1,352 |
| 40 to 44 | 4,257 | 1,189 | 1,206 | 839 | 1,023 |
| 45 to 49 | 3,124 | 939 | 810 | 694 | 681 |
| 50 to 54 | 2,760 | 797 | 818 | 611 | 534 |
| 55 to 59 | 1,809 | 527 | 518 | 390 | 374 |
| 60 to 64 | 1,491 | 403 | 486 | 326 | 276 |
| 65 to 69 | 829 | 248 | 222 | 182 | 177 |
| 70 to 74 | 479 | 113 | 152 | 125 | 89 |
| 75 and over | 291 | 100 | 63 | 80 | 48 |
| Median | 18.6 | 18.4 | 19.1 | 19.5 | 17.8 |
| Source: 2000 Papua New Guinea Census | |||||