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City of WannerooPopulation forecast

Ashby - Sinagra

Population and age structure

Between 2021 and 2031, the age structure forecasts for Ashby - Sinagra indicate a 1.0% increase in population under working age, a 77.5% increase in population of retirement age, and a 40.3% 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 the City of Wanneroo 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 - Service age groups
Ashby - Sinagra - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)5378.84675.65745.6+37
Primary schoolers (5 to 11)68211.17008.48318.1+149
Secondary schoolers (12 to 17)4297.06527.87006.8+271
Tertiary education and independence (18 to 24)4837.98279.98598.3+376
Young workforce (25 to 34)1,02116.61,10513.21,33112.9+310
Parents and homebuilders (35 to 49)1,30221.21,69320.32,01819.6+716
Older workers and pre-retirees (50 to 59)5789.498011.71,25712.2+679
Empty nesters and retirees (60 to 69)4807.88039.61,02610.0+546
Seniors (70 to 84)5178.490210.81,26712.3+750
Elderly aged (85 and over)1071.72172.64394.3+332
Total persons6,136100.08,347100.010,302100.0+4,166
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), March 2024.

Key findings

In 2021, the dominant age structure for persons in Ashby - Sinagra was ages Parents and homebuilders (35 to 49), which accounted for 21.2% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages Older workers and pre-retirees (50 to 59), which is expected to increase by 402 and account for 11.7% of the total persons.

The largest 5 year age group in 2031 is Parents and homebuilders (35 to 49) years, with a total of 1,693 persons.

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