| Male | Female | Total | |||||
| n | % | n | % | n | % | ||
| Children and Young People | 0-4 years | 216,514 | 6.7 | 203,917 | 6.1 | 420,431 | 6.4 |
| 5-9 years | 221,752 | 6.9 | 210,172 | 6.3 | 431,924 | 6.6 | |
| 10-14 years | 229,316 | 7.1 | 217,245 | 6.5 | 446,561 | 6.8 | |
| 15-17 years | 138,931 | 4.3 | 131,331 | 4.0 | 270,265 | 4.1 | |
| Total 0-17 years | 806,513 | 25.0 | 762,665 | 22.9 | 1,569,181 | 23.9 | |
| Adult | 18 years and over | 2,421,938 | 75.0 | 2,558,061 | 77.0 | 4,979,999 | 76.0 |
| Total population | Total | 3,228,451 | 100.0 | 3,320,726 | 99.9 | 6,549,180 | 99.9 |
Notes: Percentages refer to per cent within each sex category.
Source: Australian Bureau of Statistics, 2006 Census of Population and Housing.