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City of WannerooPopulation forecast

Wanneroo

Population and age structure

Between 2021 and 2031, the age structure forecasts for Wanneroo indicate a 6.1% increase in males under working age, a 13.2% increase in males of retirement age, and a 11.3% 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
Wanneroo - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 43605.83765.41,0666.4+706
5 to 94447.14526.61,1066.7+663
10 to 143936.34426.49165.5+523
15 to 192964.74105.98825.3+586
20 to 243665.94035.89355.6+569
25 to 293906.34396.41,3017.8+911
30 to 344176.74927.11,5089.1+1,091
35 to 394617.44877.11,3528.1+891
40 to 443986.45377.81,2497.5+851
45 to 493505.64867.01,1106.7+760
50 to 543886.23004.37714.6+383
55 to 593946.33204.67534.5+359
60 to 643525.63675.37234.4+371
65 to 693635.84075.96654.0+302
70 to 743485.63675.37514.5+403
75 to 792484.02874.26574.0+409
80 to 841362.22053.04732.9+337
85 and over1312.11221.83782.3+247
Total persons6,235100.06,899100.016,596100.0+10,362
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 Wanneroo was ages 35 to 39, which accounted for 7.4% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 40 to 44, which is expected to increase by 139 and account for 7.8% of the total males.

The largest male 5 year age group in 2031 is 40 to 44 years, with a total of 537 males.

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