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Georges River CouncilPopulation forecast

Georges River Council

Population and age structure

Between 2021 and 2031, the age structure forecasts for Georges River Council indicate a 4.4% increase in population under working age, a 26.3% increase in population of retirement age, and a 9.0% increase in population 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 Georges River Council 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
Georges River Council - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 47,7365.18,5445.08,9064.8+1,170
5 to 98,4925.68,5445.09,0804.9+588
10 to 148,2985.48,5195.09,1765.0+878
15 to 198,1295.39,7235.710,1695.5+2,040
20 to 2411,8267.713,0467.713,9057.5+2,079
25 to 2912,4328.114,0828.315,2048.2+2,772
30 to 3411,5777.612,7637.513,5857.4+2,008
35 to 3911,0817.311,5646.812,3676.7+1,286
40 to 449,5946.310,9156.411,4836.2+1,889
45 to 499,6106.310,6896.311,1896.1+1,579
50 to 549,4856.29,9055.810,8655.9+1,380
55 to 599,7436.49,7265.710,5715.7+827
60 to 648,9415.99,2445.410,0775.5+1,136
65 to 697,3554.88,7245.18,9904.9+1,635
70 to 746,2304.17,6604.58,2824.5+2,052
75 to 794,5823.06,2103.77,4194.0+2,836
80 to 843,4352.24,8162.86,2943.4+2,859
85 and over4,1782.75,1553.06,8643.7+2,686
Total persons152,727100.0169,829100.0184,426100.0+31,699
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), October 2023.

Key findings

In 2021, the dominant age structure for persons in Georges River Council was ages 25 to 29, which accounted for 8.1% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 25 to 29, which is expected to increase by 1,650 and account for 8.3% of the total persons.

The largest 5 year age group in 2031 is 25 to 29 years, with a total of 14,082 persons.

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