| Table 1. Age and Sex by District, New Ireland: 2000 | |||
| Total | Kavieng | Namatanai | |
| Total | 118,350 | 53,421 | 64,929 |
| Less than 5 | 19,250 | 8,464 | 10,786 |
| 5 to 9 | 17,194 | 7,606 | 9,588 |
| 10 to 14 | 14,350 | 6,399 | 7,951 |
| 15 to 19 | 11,314 | 5,107 | 6,207 |
| 20 to 24 | 10,075 | 4,583 | 5,492 |
| 25 to 29 | 9,221 | 4,265 | 4,956 |
| 30 to 34 | 8,685 | 4,090 | 4,595 |
| 35 to 39 | 7,410 | 3,391 | 4,019 |
| 40 to 44 | 5,723 | 2,568 | 3,155 |
| 45 to 49 | 4,086 | 1,860 | 2,226 |
| 50 to 54 | 3,004 | 1,350 | 1,654 |
| 55 to 59 | 2,264 | 1,054 | 1,210 |
| 60 to 64 | 2,291 | 1,023 | 1,268 |
| 65 to 69 | 1,690 | 792 | 898 |
| 70 to 74 | 1,018 | 453 | 565 |
| 75 and over | 775 | 416 | 359 |
| Median | 18.7 | 19.2 | 18.3 |
| Males | 62,760 | 28,171 | 34,589 |
| Less than 5 | 9,986 | 4,371 | 5,615 |
| 5 to 9 | 8,978 | 3,958 | 5,020 |
| 10 to 14 | 7,508 | 3,379 | 4,129 |
| 15 to 19 | 5,896 | 2,630 | 3,266 |
| 20 to 24 | 5,102 | 2,315 | 2,787 |
| 25 to 29 | 4,735 | 2,197 | 2,538 |
| 30 to 34 | 4,617 | 2,153 | 2,464 |
| 35 to 39 | 3,975 | 1,790 | 2,185 |
| 40 to 44 | 3,202 | 1,416 | 1,786 |
| 45 to 49 | 2,320 | 1,027 | 1,293 |
| 50 to 54 | 1,778 | 788 | 990 |
| 55 to 59 | 1,291 | 601 | 690 |
| 60 to 64 | 1,327 | 585 | 742 |
| 65 to 69 | 966 | 458 | 508 |
| 70 to 74 | 600 | 255 | 345 |
| 75 and over | 479 | 248 | 231 |
| Median | 19.2 | 19.5 | 18.9 |
| Females | 55,590 | 25,250 | 30,340 |
| Less than 5 | 9,264 | 4,093 | 5,171 |
| 5 to 9 | 8,216 | 3,648 | 4,568 |
| 10 to 14 | 6,842 | 3,020 | 3,822 |
| 15 to 19 | 5,418 | 2,477 | 2,941 |
| 20 to 24 | 4,973 | 2,268 | 2,705 |
| 25 to 29 | 4,486 | 2,068 | 2,418 |
| 30 to 34 | 4,068 | 1,937 | 2,131 |
| 35 to 39 | 3,435 | 1,601 | 1,834 |
| 40 to 44 | 2,521 | 1,152 | 1,369 |
| 45 to 49 | 1,766 | 833 | 933 |
| 50 to 54 | 1,226 | 562 | 664 |
| 55 to 59 | 973 | 453 | 520 |
| 60 to 64 | 964 | 438 | 526 |
| 65 to 69 | 724 | 334 | 390 |
| 70 to 74 | 418 | 198 | 220 |
| 75 and over | 296 | 168 | 128 |
| Median | 18.2 | 18.8 | 17.7 |
| Source: 2000 Papua New Guinea Census | |||