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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 27.2% increase in females under working age, a 37.2% increase in females of retirement age, and a 27.8% increase in females 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 - Service age groups
Growth Area Subregion - Total females202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)3,4448.44,6338.85,0057.3+1,561
Primary schoolers (5 to 11)4,54911.15,54610.56,85910.0+2,310
Secondary schoolers (12 to 17)2,9617.23,8517.35,0197.3+2,058
Tertiary education and independence (18 to 24)3,4338.44,5058.55,6058.1+2,172
Young workforce (25 to 34)7,59618.59,38917.810,19614.8+2,599
Parents and homebuilders (35 to 49)8,83621.511,33421.513,37419.4+4,538
Older workers and pre-retirees (50 to 59)3,9219.65,0279.57,26110.5+3,340
Empty nesters and retirees (60 to 69)2,8997.13,9167.46,3049.2+3,405
Seniors (70 to 84)2,8436.93,8257.27,60811.1+4,765
Elderly aged (85 and over)5231.37611.41,6182.4+1,095
Total persons41,006100.052,786100.068,849100.0+27,843
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), December 2022.

Key findings

In 2021, the dominant age structure for females in Growth Area Subregion was ages Parents and homebuilders (35 to 49), which accounted for 21.5% of the total females.

The largest increase in females between 2021 and 2026 is forecast to be in ages Parents and homebuilders (35 to 49), which is expected to increase by 2,498 and account for 21.5% of the total females.

The largest female 5 year age group in 2026 is Parents and homebuilders (35 to 49) years, with a total of 11,334 females.

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