| Table 2. Age and Sex by Gulf Districts, PNG: 1990 | ||||
| Total | Kerema | Kikori | District not stated | |
| Total | ||||
| Total | 68,737 | 9,469 | 7,127 | 52,141 |
| 0 - 4 | 11,628 | 1,636 | 1,283 | 8,709 |
| 5 - 9 | 10,655 | 1,430 | 1,090 | 8,135 |
| 10 - 14 | 8,809 | 1,156 | 903 | 6,750 |
| 15 - 19 | 7,655 | 1,013 | 706 | 5,936 |
| 20 - 24 | 5,823 | 780 | 640 | 4,403 |
| 25 - 29 | 5,716 | 837 | 587 | 4,292 |
| 30 - 34 | 4,576 | 693 | 475 | 3,408 |
| 35 - 39 | 3,561 | 513 | 316 | 2,732 |
| 40 - 44 | 2,593 | 404 | 248 | 1,941 |
| 45 - 49 | 2,197 | 337 | 206 | 1,654 |
| 50 - 54 | 1,745 | 227 | 216 | 1,302 |
| 55 - 59 | 1,302 | 134 | 179 | 989 |
| 60 - 64 | 1,079 | 170 | 146 | 763 |
| 65 - 69 | 681 | 73 | 69 | 539 |
| 70 - 74 | 373 | 30 | 36 | 307 |
| 75+ | 344 | 36 | 27 | 281 |
| Median | 17.1 | 17.5 | 17.0 | 17.1 |
| Male | ||||
| Total | 35,273 | 4,864 | 3,466 | 26,943 |
| 0 - 4 | 6,004 | 783 | 692 | 4,529 |
| 5 - 9 | 5,650 | 724 | 551 | 4,375 |
| 10 - 14 | 4,821 | 615 | 458 | 3,748 |
| 15 - 19 | 3,922 | 508 | 317 | 3,097 |
| 20 - 24 | 2,826 | 378 | 274 | 2,174 |
| 25 - 29 | 2,792 | 463 | 259 | 2,070 |
| 30 - 34 | 2,277 | 335 | 223 | 1,719 |
| 35 - 39 | 1,755 | 278 | 159 | 1,318 |
| 40 - 44 | 1,261 | 211 | 112 | 938 |
| 45 - 49 | 1,109 | 187 | 88 | 834 |
| 50 - 54 | 866 | 128 | 89 | 649 |
| 55 - 59 | 682 | 82 | 91 | 509 |
| 60 - 64 | 573 | 93 | 76 | 404 |
| 65 - 69 | 345 | 36 | 42 | 267 |
| 70 - 74 | 201 | 18 | 20 | 163 |
| 75+ | 189 | 25 | 15 | 149 |
| Median | 16.5 | 18.1 | 15.5 | 16.3 |
| Female | ||||
| Total | 33,464 | 4,605 | 3,661 | 25,198 |
| 0 - 4 | 5,624 | 853 | 591 | 4,180 |
| 5 - 9 | 5,005 | 706 | 539 | 3,760 |
| 10 - 14 | 3,988 | 541 | 445 | 3,002 |
| 15 - 19 | 3,733 | 505 | 389 | 2,839 |
| 20 - 24 | 2,997 | 402 | 366 | 2,229 |
| 25 - 29 | 2,924 | 374 | 328 | 2,222 |
| 30 - 34 | 2,299 | 358 | 252 | 1,689 |
| 35 - 39 | 1,806 | 235 | 157 | 1,414 |
| 40 - 44 | 1,332 | 193 | 136 | 1,003 |
| 45 - 49 | 1,088 | 150 | 118 | 820 |
| 50 - 54 | 879 | 99 | 127 | 653 |
| 55 - 59 | 620 | 52 | 88 | 480 |
| 60 - 64 | 506 | 77 | 70 | 359 |
| 65 - 69 | 336 | 37 | 27 | 272 |
| 70 - 74 | 172 | 12 | 16 | 144 |
| 75+ | 155 | 11 | 12 | 132 |
| Median | 17.8 | 17.0 | 18.3 | 17.9 |
| Source: 1990 Papua New Guinea Census | ||||