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Cardinia ShirePopulation forecast

Growth Area Subregion

Population and age structure

Between 2021 and 2026, the age structure forecasts for Growth Area Subregion indicate a 28.8% increase in males under working age, a 32.1% increase in males of retirement age, and a 29.2% 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 Cardinia Shire 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
Growth Area Subregion - Total males202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 43,5949.14,9359.65,3828.1+1,788
5 to 93,5208.94,2158.25,2727.9+1,752
10 to 142,8727.33,7117.24,7407.1+1,868
15 to 192,4646.23,1606.24,2116.3+1,748
20 to 242,5266.43,3616.64,1516.2+1,625
25 to 293,2878.34,1538.14,7657.1+1,478
30 to 343,7479.54,6769.15,1247.7+1,377
35 to 393,6289.24,5368.95,0397.5+1,410
40 to 442,7837.03,8777.64,5676.8+1,784
45 to 492,4736.23,1546.24,3986.6+1,925
50 to 541,9965.02,6225.13,9285.9+1,933
55 to 591,6504.22,1094.13,4265.1+1,776
60 to 641,3053.31,7523.42,8154.2+1,510
65 to 691,0962.81,4322.82,4463.7+1,350
70 to 749742.51,2312.42,1993.3+1,225
75 to 798042.01,0362.01,9713.0+1,167
80 to 845041.36961.41,3482.0+844
85 and over3650.95491.11,0071.5+641
Total persons39,588100.051,204100.066,788100.0+27,200
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), December 2022.

Key findings

In 2021, the dominant age structure for males in Growth Area Subregion was ages 30 to 34, which accounted for 9.5% of the total males.

The largest increase in males between 2021 and 2026 is forecast to be in ages 0 to 4, which is expected to increase by 1,342 and account for 9.6% of the total males.

The largest male 5 year age group in 2026 is 0 to 4 years, with a total of 4,935 males.

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