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City of WannerooPopulation forecast

City of Wanneroo

Population and age structure

Between 2016 and 2021, the age structure forecasts for the City of Wanneroo indicate a 6.6% increase in population under working age, a 23.4% increase in population of retirement age, and a 5.1% 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 - 5 year age groups
City of Wanneroo - Total persons201620212041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 415,8638.116,3237.827,4477.9+11,585
5 to 915,2997.916,2927.826,9207.7+11,621
10 to 1413,4956.914,9807.224,2316.9+10,736
15 to 1913,7607.113,6156.522,2056.4+8,445
20 to 2413,8197.114,1806.822,7476.5+8,928
25 to 2915,4227.915,1967.325,5937.3+10,171
30 to 3416,0188.216,4037.927,2797.8+11,261
35 to 3914,3867.415,8347.626,1867.5+11,801
40 to 4414,5717.514,3416.924,0326.9+9,460
45 to 4914,0767.214,2926.821,8646.3+7,787
50 to 5411,9026.113,4106.419,8685.7+7,966
55 to 599,5954.911,4235.517,7965.1+8,202
60 to 647,5643.99,1624.415,5284.5+7,964
65 to 696,7643.57,2783.513,7493.9+6,986
70 to 744,7132.46,2003.011,7583.4+7,044
75 to 793,4981.84,2592.09,2952.7+5,797
80 to 842,1441.12,9731.46,7481.9+4,604
85 and over1,8901.02,7441.35,6331.6+3,743
Total persons194,778100.0208,904100.0348,880100.0+154,102
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, May 2020.

Key findings

In 2016, the dominant age structure for persons in the City of Wanneroo was ages 30 to 34, which accounted for 8.2% of the total persons.

The largest increase in persons between 2016 and 2021 is forecast to be in ages 55 to 59, which is expected to increase by 1,828 and account for 5.5% of the total persons.

The largest 5 year age group in 2021 is 30 to 34 years, with a total of 16,403 persons.

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