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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 42.4% increase in females under working age, a 133.8% increase in females of retirement age, and a 31.9% 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 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 females201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 43208.64759.16308.7+310
5 to 93058.24097.85938.2+288
10 to 142296.13326.35157.1+286
15 to 192617.03055.84626.3+201
20 to 242977.93947.55016.9+204
25 to 293308.85209.96058.3+275
30 to 343298.852310.06759.3+346
35 to 392927.84418.46609.1+368
40 to 442627.03436.55637.7+301
45 to 492035.42795.34546.2+251
50 to 542737.32645.03334.6+60
55 to 592256.02324.42713.7+46
60 to 642065.52314.42483.4+42
65 to 691153.11953.72173.0+102
70 to 74330.91542.92092.9+176
75 to 79330.9771.51672.3+134
80 to 84240.6330.61181.6+94
85 and over50.1320.6610.8+56
Total persons3,742100.05,237100.07,280100.0+3,538
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), August 2017.

Key findings

In 2016, the dominant age structure for females in Gosnells (Balance) was ages 25 to 29, which accounted for 8.8% of the total females.

The largest increase in females between 2016 and 2026 is forecast to be in ages 30 to 34, which is expected to increase by 194 and account for 10.0% of the total females.

The largest female 5 year age group in 2026 is 30 to 34 years, with a total of 523 females.

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