| Table 1. Age and Sex by District, Western: 2000 | ||||
| Total | Middle Fly | North Fly | South Fly | |
| Total | 153,304 | 55,853 | 50,914 | 46,537 |
| Less than 5 | 25,397 | 9,782 | 7,965 | 7,650 |
| 5 to 9 | 22,963 | 8,776 | 7,071 | 7,116 |
| 10 to 14 | 19,406 | 7,527 | 6,173 | 5,706 |
| 15 to 19 | 15,874 | 5,825 | 5,431 | 4,618 |
| 20 to 24 | 13,782 | 4,768 | 4,832 | 4,182 |
| 25 to 29 | 12,688 | 4,270 | 4,585 | 3,833 |
| 30 to 34 | 10,888 | 3,730 | 3,988 | 3,170 |
| 35 to 39 | 9,033 | 2,969 | 3,295 | 2,769 |
| 40 to 44 | 6,858 | 2,307 | 2,492 | 2,059 |
| 45 to 49 | 4,709 | 1,631 | 1,673 | 1,405 |
| 50 to 54 | 3,859 | 1,349 | 1,354 | 1,156 |
| 55 to 59 | 2,738 | 922 | 827 | 989 |
| 60 to 64 | 2,240 | 773 | 669 | 798 |
| 65 to 69 | 1,352 | 506 | 327 | 519 |
| 70 to 74 | 831 | 384 | 141 | 306 |
| 75 and over | 686 | 334 | 91 | 261 |
| Median | 17.8 | 16.6 | 18.9 | 18.0 |
| Males | 79,240 | 28,392 | 27,023 | 23,825 |
| Less than 5 | 13,096 | 5,037 | 4,094 | 3,965 |
| 5 to 9 | 12,099 | 4,600 | 3,798 | 3,701 |
| 10 to 14 | 10,070 | 3,909 | 3,244 | 2,917 |
| 15 to 19 | 8,325 | 2,974 | 2,881 | 2,470 |
| 20 to 24 | 6,912 | 2,325 | 2,470 | 2,117 |
| 25 to 29 | 6,448 | 2,152 | 2,379 | 1,917 |
| 30 to 34 | 5,647 | 1,883 | 2,176 | 1,588 |
| 35 to 39 | 4,782 | 1,472 | 1,888 | 1,422 |
| 40 to 44 | 3,566 | 1,175 | 1,318 | 1,073 |
| 45 to 49 | 2,503 | 865 | 931 | 707 |
| 50 to 54 | 1,981 | 643 | 759 | 579 |
| 55 to 59 | 1,335 | 455 | 418 | 462 |
| 60 to 64 | 1,141 | 383 | 371 | 387 |
| 65 to 69 | 655 | 234 | 178 | 243 |
| 70 to 74 | 399 | 158 | 76 | 165 |
| 75 and over | 281 | 127 | 42 | 112 |
| Median | 17.6 | 16.1 | 19.1 | 17.7 |
| Females | 74,064 | 27,461 | 23,891 | 22,712 |
| Less than 5 | 12,301 | 4,745 | 3,871 | 3,685 |
| 5 to 9 | 10,864 | 4,176 | 3,273 | 3,415 |
| 10 to 14 | 9,336 | 3,618 | 2,929 | 2,789 |
| 15 to 19 | 7,549 | 2,851 | 2,550 | 2,148 |
| 20 to 24 | 6,870 | 2,443 | 2,362 | 2,065 |
| 25 to 29 | 6,240 | 2,118 | 2,206 | 1,916 |
| 30 to 34 | 5,241 | 1,847 | 1,812 | 1,582 |
| 35 to 39 | 4,251 | 1,497 | 1,407 | 1,347 |
| 40 to 44 | 3,292 | 1,132 | 1,174 | 986 |
| 45 to 49 | 2,206 | 766 | 742 | 698 |
| 50 to 54 | 1,878 | 706 | 595 | 577 |
| 55 to 59 | 1,403 | 467 | 409 | 527 |
| 60 to 64 | 1,099 | 390 | 298 | 411 |
| 65 to 69 | 697 | 272 | 149 | 276 |
| 70 to 74 | 432 | 226 | 65 | 141 |
| 75 and over | 405 | 207 | 49 | 149 |
| Median | 18.0 | 17.1 | 18.7 | 18.4 |
| Source: 2000 Papua New Guinea Census | ||||