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City of GosnellsPopulation forecast

Southern River (West)

Population and age structure

Between 2016 and 2026, the age structure forecasts for Southern River (West) indicate a 13.3% increase in males under working age, a 165.2% increase in males of retirement age, and a 40.7% 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 Southern River (West) 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 (West) - Total males201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 44569.65528.45077.7+51
5 to 948410.15057.74847.30
10 to 144108.64737.24456.7+35
15 to 193477.34747.24306.5+83
20 to 242815.94907.44566.9+175
25 to 292866.05388.14897.4+203
30 to 344118.65949.05338.1+122
35 to 394509.45247.94957.5+45
40 to 444188.84446.74336.5+15
45 to 493577.54376.64166.3+59
50 to 542825.94196.33966.0+114
55 to 592284.83435.23635.5+135
60 to 641583.32664.03325.0+174
65 to 691002.12193.32794.2+179
70 to 74661.41572.42263.4+160
75 to 79180.4941.41782.7+160
80 to 84150.3400.6881.3+73
85 and over50.1310.5671.0+62
Total persons4,772100.06,599100.06,617100.0+1,845
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, April 2018.

Key findings

In 2016, the dominant age structure for males in Southern River (West) was ages 5 to 9, which accounted for 10.1% of the total males.

The largest increase in males between 2016 and 2026 is forecast to be in ages 25 to 29, which is expected to increase by 252 and account for 8.1% of the total males.

The largest male 5 year age group in 2026 is 30 to 34 years, with a total of 594 males.

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