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City of GosnellsPopulation forecast

Gosnells (Balance)

Population and age structure

Between 2016 and 2026, the age structure forecasts for Gosnells (Balance) indicate a 41.3% increase in population under working age, a 124.2% increase in population of retirement age, and a 35.8% 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 Gosnells (Balance) 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
Gosnells (Balance) - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 46558.81,0049.51,3699.3+714
5 to 96498.78508.01,2658.6+616
10 to 145026.76986.61,0807.3+578
15 to 194946.66716.39656.5+471
20 to 246178.37967.51,0126.8+395
25 to 295807.81,0079.51,1978.1+617
30 to 346799.11,06410.01,3449.1+665
35 to 395988.08708.21,3068.8+708
40 to 445227.06896.51,1247.6+602
45 to 493825.15605.38956.1+513
50 to 544986.75265.06734.6+175
55 to 594115.54354.15393.6+128
60 to 644105.54314.14873.3+77
65 to 692523.43663.44272.9+175
70 to 74901.23293.14142.8+324
75 to 79580.81851.73272.2+269
80 to 84390.5670.62271.5+188
85 and over120.2640.61310.9+119
Total persons7,448100.010,610100.014,784100.0+7,336
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 Gosnells (Balance) was ages 30 to 34, which accounted for 9.1% 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 427 and account for 9.5% of the total persons.

The largest 5 year age group in 2026 is 30 to 34 years, with a total of 1,064 persons.

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