| Table 1. Age and Sex by District, Bougainville: 2000 | ||||
| Total | North Bougainville | Central Bougainville | South Bougainville | |
| Total | 175,160 | 73,091 | 41,485 | 60,584 |
| Less than 5 | 27,231 | 11,477 | 6,428 | 9,326 |
| 5 to 9 | 25,209 | 10,803 | 6,106 | 8,300 |
| 10 to 14 | 23,821 | 10,202 | 5,383 | 8,236 |
| 15 to 19 | 19,217 | 8,021 | 4,463 | 6,733 |
| 20 to 24 | 15,647 | 6,265 | 3,787 | 5,595 |
| 25 to 29 | 13,819 | 5,669 | 3,559 | 4,591 |
| 30 to 34 | 12,056 | 5,048 | 2,978 | 4,030 |
| 35 to 39 | 10,645 | 4,607 | 2,459 | 3,579 |
| 40 to 44 | 8,018 | 3,374 | 1,943 | 2,701 |
| 45 to 49 | 5,489 | 2,218 | 1,326 | 1,945 |
| 50 to 54 | 4,051 | 1,707 | 942 | 1,402 |
| 55 to 59 | 2,680 | 1,118 | 645 | 917 |
| 60 to 64 | 2,813 | 1,085 | 673 | 1,055 |
| 65 to 69 | 1,923 | 722 | 359 | 842 |
| 70 to 74 | 1,312 | 428 | 231 | 653 |
| 75 and over | 1,229 | 347 | 203 | 679 |
| Median | 17.9 | 17.5 | 18.2 | 18.3 |
| Males | 90,014 | 37,415 | 21,613 | 30,986 |
| Less than 5 | 14,123 | 5,858 | 3,357 | 4,908 |
| 5 to 9 | 13,247 | 5,598 | 3,259 | 4,390 |
| 10 to 14 | 12,473 | 5,326 | 2,801 | 4,346 |
| 15 to 19 | 9,816 | 4,045 | 2,296 | 3,475 |
| 20 to 24 | 7,899 | 3,152 | 1,964 | 2,783 |
| 25 to 29 | 6,696 | 2,735 | 1,742 | 2,219 |
| 30 to 34 | 5,978 | 2,571 | 1,471 | 1,936 |
| 35 to 39 | 5,307 | 2,272 | 1,244 | 1,791 |
| 40 to 44 | 4,224 | 1,861 | 1,034 | 1,329 |
| 45 to 49 | 2,911 | 1,165 | 750 | 996 |
| 50 to 54 | 2,063 | 850 | 496 | 717 |
| 55 to 59 | 1,439 | 595 | 378 | 466 |
| 60 to 64 | 1,467 | 601 | 365 | 501 |
| 65 to 69 | 1,002 | 357 | 215 | 430 |
| 70 to 74 | 680 | 226 | 131 | 323 |
| 75 and over | 689 | 203 | 110 | 376 |
| Median | 17.6 | 17.4 | 18.0 | 17.7 |
| Females | 85,146 | 35,676 | 19,872 | 29,598 |
| Less than 5 | 13,108 | 5,619 | 3,071 | 4,418 |
| 5 to 9 | 11,962 | 5,205 | 2,847 | 3,910 |
| 10 to 14 | 11,348 | 4,876 | 2,582 | 3,890 |
| 15 to 19 | 9,401 | 3,976 | 2,167 | 3,258 |
| 20 to 24 | 7,748 | 3,113 | 1,823 | 2,812 |
| 25 to 29 | 7,123 | 2,934 | 1,817 | 2,372 |
| 30 to 34 | 6,078 | 2,477 | 1,507 | 2,094 |
| 35 to 39 | 5,338 | 2,335 | 1,215 | 1,788 |
| 40 to 44 | 3,794 | 1,513 | 909 | 1,372 |
| 45 to 49 | 2,578 | 1,053 | 576 | 949 |
| 50 to 54 | 1,988 | 857 | 446 | 685 |
| 55 to 59 | 1,241 | 523 | 267 | 451 |
| 60 to 64 | 1,346 | 484 | 308 | 554 |
| 65 to 69 | 921 | 365 | 144 | 412 |
| 70 to 74 | 632 | 202 | 100 | 330 |
| 75 and over | 540 | 144 | 93 | 303 |
| Median | 18.3 | 17.7 | 18.3 | 19.0 |
| Source: 2000 Papua New Guinea Census | ||||