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City of RockinghamPopulation forecast

City of Rockingham

Population and age structure

Between 2021 and 2031, the age structure forecasts for City of Rockingham indicate a 6.3% increase in males under working age, a 35.7% increase in males of retirement age, and a 22.5% increase in males of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of the City of Rockingham is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - 5 year age groups
City of Rockingham - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 45,0547.25,3616.48,3357.3+3,281
5 to 95,2887.65,4586.58,0567.1+2,767
10 to 145,5257.96,0457.28,0537.1+2,528
15 to 194,7036.76,5157.78,1037.1+3,400
20 to 244,3966.36,8308.18,4167.4+4,020
25 to 294,6776.75,8266.98,1337.2+3,456
30 to 344,8737.05,2826.37,9407.0+3,067
35 to 394,9087.05,2296.27,3816.5+2,472
40 to 444,3596.25,3806.46,6375.8+2,278
45 to 494,5556.55,4606.56,4705.7+1,914
50 to 544,5586.54,9445.96,3705.6+1,812
55 to 594,3636.25,0376.06,4615.7+2,098
60 to 643,6565.24,6635.56,0445.3+2,388
65 to 692,7403.93,7844.54,5194.0+1,779
70 to 742,4783.52,8773.43,7533.3+1,274
75 to 791,8392.62,2042.63,3372.9+1,498
80 to 841,1361.61,8022.12,6102.3+1,474
85 and over8731.21,6321.92,9412.6+2,068
Total persons69,983100.084,327100.0113,558100.0+43,575
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), December 2023.

Key findings

In 2021, the dominant age structure for males in City of Rockingham was ages 10 to 14, which accounted for 7.9% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 20 to 24, which is expected to increase by 2,434 and account for 8.1% of the total males.

The largest male 5 year age group in 2031 is 20 to 24 years, with a total of 6,830 males.

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