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Strathfield CouncilPopulation forecast

Strathfield Council

Population and age structure

Between 2021 and 2026, the age structure forecasts for Strathfield Council indicate a 9.2% decrease in population under working age, a 13.7% increase in population of retirement age, and a 18.6% 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 Strathfield Council 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.

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Forecast age structure - 5 year age groups
Strathfield Council - Total persons202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 42,3625.11,1252.21,0611.9-1,301
5 to 92,3675.22,5404.91,8953.4-472
10 to 142,1414.72,5734.92,2894.2+148
15 to 192,1694.73,3646.43,5266.4+1,357
20 to 244,71710.35,92811.36,16411.2+1,447
25 to 295,93312.97,25613.97,49413.6+1,561
30 to 345,26511.56,02411.56,39011.6+1,125
35 to 393,9778.74,4818.64,8328.8+855
40 to 442,6265.73,2796.33,6096.6+983
45 to 492,3265.12,6225.03,0685.6+742
50 to 542,2124.82,4214.62,7795.0+567
55 to 592,3335.12,3174.42,5454.6+212
60 to 642,0634.52,1964.22,2664.1+203
65 to 691,6493.61,8623.61,9483.5+299
70 to 741,2752.81,4672.81,7003.1+425
75 to 799792.11,1312.21,4032.5+424
80 to 847551.68551.61,0802.0+325
85 and over7841.78721.79981.8+214
Total persons45,933100.052,313100.055,049100.0+9,116
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), November 2022.

Key findings

In 2021, the dominant age structure for persons in Strathfield Council was ages 25 to 29, which accounted for 12.9% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 25 to 29, which is expected to increase by 1,323 and account for 13.9% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 7,256 persons.

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