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City of GosnellsPopulation forecast

Gosnells (Central)

Population and age structure

Between 2016 and 2026, the age structure forecasts for Gosnells (Central) indicate a 25.4% increase in population under working age, a 18.0% increase in population of retirement age, and a 19.8% 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 (Central) 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 (Central) - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 49617.21,2087.51,3057.4+344
5 to 98526.41,0326.41,1256.4+273
10 to 146875.18945.61,0025.7+315
15 to 196995.29475.91,0526.0+353
20 to 248666.51,1327.01,2387.0+372
25 to 291,0547.91,2727.91,3597.7+305
30 to 341,1108.31,1907.41,2737.2+163
35 to 398996.71,0436.51,1266.4+226
40 to 447575.79485.91,0095.7+252
45 to 498276.29155.79965.6+168
50 to 546584.98385.29455.4+287
55 to 596985.28215.18845.0+187
60 to 646104.66914.38044.6+194
65 to 696645.07034.47864.4+122
70 to 746034.56273.96923.9+89
75 to 795894.46223.96683.8+79
80 to 844033.05503.45873.3+184
85 and over4363.36774.28144.6+378
Total persons13,373100.016,110100.017,665100.0+4,293
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, April 2018.

Key findings

In 2016, the dominant age structure for persons in Gosnells (Central) was ages 30 to 34, which accounted for 8.3% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 20 to 24, which is expected to increase by 266 and account for 7.0% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 1,272 persons.

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