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City of WannerooPopulation forecast

Butler

Population and age structure

Between 2016 and 2031, the age structure forecasts for Butler indicate a 1.6% increase in males under working age, a 118.4% increase in males of retirement age, and a 13.5% 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 Butler 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
Butler - Total males201620312041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 469810.46868.86548.2-44
5 to 96499.66708.66478.1-2
10 to 145888.76107.86037.6+15
15 to 195698.55767.45727.2+3
20 to 244827.25637.25557.0+73
25 to 295968.95927.65557.0-41
30 to 345608.35727.35436.8-17
35 to 394997.45216.75076.4+8
40 to 445388.05046.54715.9-67
45 to 495067.54816.24786.0-28
50 to 543595.34395.64635.8+104
55 to 591882.84185.44025.1+214
60 to 641311.93594.63484.4+217
65 to 691562.32793.63414.3+185
70 to 741001.51842.43133.9+213
75 to 79600.91281.62363.0+176
80 to 84360.51021.31381.7+102
85 and over130.21041.31271.6+114
Total persons6,728100.07,789100.07,953100.0+1,225
Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), May 2020.

Key findings

In 2016, the dominant age structure for males in Butler was ages 0 to 4, which accounted for 10.4% of the total males.

The largest increase in males between 2016 and 2031 is forecast to be in ages 55 to 59, which is expected to increase by 230 and account for 5.4% of the total males.

The largest male 5 year age group in 2031 is 0 to 4 years, with a total of 686 males.

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