| Table 1. Sex and Relationship by Northern Oro Districts, PNG: 1990 | ||||
| Total | Ijivitari | Sohe | District not stated | |
| Total | ||||
| Total | 96,491 | 11,972 | 53,655 | 30,864 |
| Head | 16,089 | 1,969 | 8,827 | 5,293 |
| Spouse | 12,870 | 1,567 | 7,020 | 4,283 |
| Child | 45,270 | 5,517 | 25,638 | 14,115 |
| Adopted child | 2,836 | 381 | 1,332 | 1,123 |
| Other relative | 17,839 | 2,441 | 9,586 | 5,812 |
| Non relative | 1,587 | 97 | 1,252 | 238 |
| Male | ||||
| Total | 50,885 | 6,308 | 28,733 | 15,844 |
| Head | 14,417 | 1,768 | 7,948 | 4,701 |
| Spouse | 103 | 11 | 67 | 25 |
| Child | 24,269 | 2,927 | 13,881 | 7,461 |
| Adopted child | 1,554 | 210 | 726 | 618 |
| Other relative | 9,385 | 1,342 | 5,189 | 2,854 |
| Non relative | 1,157 | 50 | 922 | 185 |
| Female | ||||
| Total | 45,606 | 5,664 | 24,922 | 15,020 |
| Head | 1,672 | 201 | 879 | 592 |
| Spouse | 12,767 | 1,556 | 6,953 | 4,258 |
| Child | 21,001 | 2,590 | 11,757 | 6,654 |
| Adopted child | 1,282 | 171 | 606 | 505 |
| Other relative | 8,454 | 1,099 | 4,397 | 2,958 |
| Non relative | 430 | 47 | 330 | 53 |
| Source: 1990 Papua New Guinea Census | ||||