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City of WyndhamPopulation forecast

Sanctuary Lakes

Population and age structure

Between 2021 and 2026, the age structure forecasts for Sanctuary Lakes indicate a 5.3% decrease in males under working age, a 41.5% increase in males of retirement age, and a 2.4% 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 Wyndham 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
Sanctuary Lakes - Total males202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 48999.18678.67347.7-165
5 to 91,04310.58488.47307.7-313
10 to 148458.59239.17127.5-133
15 to 196116.27267.26196.5+8
20 to 245625.75315.25055.3-57
25 to 296296.45185.14735.0-156
30 to 347637.76996.95886.2-175
35 to 391,12011.39259.17648.0-356
40 to 449149.21,0079.97598.0-155
45 to 497217.37877.86767.1-45
50 to 545415.56376.36136.4+72
55 to 594134.25095.05986.3+185
60 to 643063.14014.05195.4+213
65 to 692252.32892.94364.6+211
70 to 741741.81961.93313.5+157
75 to 79820.81441.42392.5+157
80 to 84340.3650.61451.5+111
85 and over170.2590.61001.0+83
Total persons9,899100.010,131100.09,540100.0-359
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), December 2022.

Key findings

In 2021, the dominant age structure for males in Sanctuary Lakes was ages 35 to 39, which accounted for 11.3% of the total males.

The largest increase in males between 2021 and 2026 is forecast to be in ages 15 to 19, which is expected to increase by 115 and account for 7.2% of the total males.

The largest male 5 year age group in 2026 is 40 to 44 years, with a total of 1,007 males.

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