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City of GosnellsPopulation forecast

Southern River (East)

Population and age structure

Between 2016 and 2026, the age structure forecasts for Southern River (East) indicate a 327.9% increase in population under working age, a 108.1% increase in population of retirement age, and a 391.5% 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 Southern River (East) 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
Southern River (East) - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 414310.34176.79065.8+763
5 to 91077.74927.91,1847.6+1,077
10 to 14735.24737.61,1567.4+1,083
15 to 19654.74246.81,1057.1+1,040
20 to 24856.15368.61,3058.3+1,220
25 to 2914610.572711.71,65210.6+1,506
30 to 3415811.472911.71,74011.1+1,582
35 to 391329.56069.81,5249.7+1,392
40 to 44735.24777.71,2458.0+1,172
45 to 49684.93786.11,0566.7+988
50 to 54433.12794.58475.4+804
55 to 59815.82153.56594.2+578
60 to 64695.01512.44843.1+415
65 to 69443.21402.23602.3+316
70 to 74513.7951.52331.5+182
75 to 79433.1631.01761.1+133
80 to 8450.4360.6780.5+73
85 and over50.4-26-0.4-59-0.4-64
Total persons1,391100.06,211100.015,650100.0+14,259
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), August 2017.

Key findings

In 2016, the dominant age structure for persons in Southern River (East) was ages 30 to 34, which accounted for 11.4% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 25 to 29, which is expected to increase by 581 and account for 11.7% of the total persons.

The largest 5 year age group in 2026 is 30 to 34 years, with a total of 729 persons.

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