| Table 1. Sex and Relationship by Gulf Districts, PNG: 1990 | ||||
| Total | Kerema | Kikori | District not stated | |
| Total | ||||
| Total | 68,737 | 9,469 | 7,127 | 52,141 |
| Head | 11,384 | 1,382 | 1,100 | 8,902 |
| Spouse | 9,092 | 1,203 | 820 | 7,069 |
| Child | 29,991 | 3,471 | 2,821 | 23,699 |
| Adopted child | 1,816 | 375 | 269 | 1,172 |
| Other relative | 14,209 | 2,567 | 1,833 | 9,809 |
| Non relative | 2,245 | 471 | 284 | 1,490 |
| Male | ||||
| Total | 35,273 | 4,864 | 3,466 | 26,943 |
| Head | 9,775 | 1,260 | 914 | 7,601 |
| Spouse | 95 | 8 | 6 | 81 |
| Child | 15,921 | 1,737 | 1,440 | 12,744 |
| Adopted child | 954 | 193 | 120 | 641 |
| Other relative | 7,070 | 1,285 | 853 | 4,932 |
| Non relative | 1,458 | 381 | 133 | 944 |
| Female | ||||
| Total | 33,464 | 4,605 | 3,661 | 25,198 |
| Head | 1,609 | 122 | 186 | 1,301 |
| Spouse | 8,997 | 1,195 | 814 | 6,988 |
| Child | 14,070 | 1,734 | 1,381 | 10,955 |
| Adopted child | 862 | 182 | 149 | 531 |
| Other relative | 7,139 | 1,282 | 980 | 4,877 |
| Non relative | 787 | 90 | 151 | 546 |
| Source: 1990 Papua New Guinea Census | ||||