| Table 1. Sex and Relationship by West Sepik Districts, PNG: 1990 | ||||||
| Total | Aitape/Lumi | Nuku | Telefomin | Vanimo/Green River | NS | |
| Total | ||||||
| Total | 139,917 | 24,812 | 17,497 | 22,477 | 21,336 | 53,795 |
| Head | 25,566 | 3,915 | 2,677 | 4,217 | 3,753 | 11,004 |
| Spouse | 20,928 | 2,966 | 2,159 | 3,886 | 3,072 | 8,845 |
| Child | 64,533 | 11,904 | 7,400 | 9,522 | 9,291 | 26,416 |
| Adopted child | 3,503 | 722 | 345 | 692 | 338 | 1,406 |
| Other relative | 23,739 | 4,733 | 4,466 | 4,008 | 4,677 | 5,855 |
| Non relative | 1,648 | 572 | 450 | 152 | 205 | 269 |
| Male | ||||||
| Total | 74,873 | 12,800 | 9,792 | 12,456 | 12,419 | 27,406 |
| Head | 22,642 | 3,375 | 2,423 | 3,979 | 3,323 | 9,542 |
| Spouse | 184 | 18 | 26 | 20 | 47 | 73 |
| Child | 36,548 | 6,301 | 4,272 | 5,668 | 6,171 | 14,136 |
| Adopted child | 2,054 | 407 | 196 | 449 | 190 | 812 |
| Other relative | 12,475 | 2,368 | 2,603 | 2,238 | 2,548 | 2,718 |
| Non relative | 970 | 331 | 272 | 102 | 140 | 125 |
| Female | ||||||
| Total | 65,044 | 12,012 | 7,705 | 10,021 | 8,917 | 26,389 |
| Head | 2,924 | 540 | 254 | 238 | 430 | 1,462 |
| Spouse | 20,744 | 2,948 | 2,133 | 3,866 | 3,025 | 8,772 |
| Child | 27,985 | 5,603 | 3,128 | 3,854 | 3,120 | 12,280 |
| Adopted child | 1,449 | 315 | 149 | 243 | 148 | 594 |
| Other relative | 11,264 | 2,365 | 1,863 | 1,770 | 2,129 | 3,137 |
| Non relative | 678 | 241 | 178 | 50 | 65 | 144 |
| Source: 1990 Papua New Guinea Census | ||||||