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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 16.5% increase in males under working age, a 99.7% increase in males of retirement age, and a 42.9% increase in males 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 - 5 year age groups
Ashby - Sinagra - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 42869.82425.82955.7+9
5 to 92257.72796.73236.2+98
10 to 141866.42916.93186.1+132
15 to 191766.02766.62965.7+120
20 to 241856.32776.62925.7+107
25 to 292097.12977.13386.5+129
30 to 342478.43107.43787.3+131
35 to 392438.32957.03967.7+153
40 to 442067.02826.73586.9+152
45 to 491766.02646.33226.2+146
50 to 541505.12195.22755.3+125
55 to 591625.52285.42725.3+110
60 to 641224.22325.52685.2+146
65 to 69873.02135.12484.8+161
70 to 741093.71804.32534.9+144
75 to 79501.71403.32254.4+175
80 to 84662.31022.41653.2+99
85 and over441.5761.81462.8+102
Total persons2,929100.04,203100.05,166100.0+2,237
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), March 2024.

Key findings

In 2021, the dominant age structure for males in Ashby - Sinagra was ages 0 to 4, which accounted for 9.8% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 65 to 69, which is expected to increase by 126 and account for 5.1% of the total males.

The largest male 5 year age group in 2031 is 30 to 34 years, with a total of 310 males.

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