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Shire of DardanupPopulation forecast

Shire of Dardanup

Population and age structure

Between 2021 and 2031, the age structure forecasts for Shire of Dardanup indicate a 3.6% increase in males under working age, a 86.4% increase in males of retirement age, and a 35.3% 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 Shire of Dardanup 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
Shire of Dardanup - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 45387.05755.58105.2+272
5 to 95977.86005.78425.4+245
10 to 145517.25725.47885.0+237
15 to 194285.65325.16354.1+208
20 to 244005.24564.35593.6+159
25 to 294896.45515.27154.6+226
30 to 345196.87046.71,0967.0+576
35 to 395066.67116.81,0957.0+589
40 to 445176.77377.09606.1+442
45 to 494435.87927.51,0947.0+651
50 to 544906.46606.31,0186.5+528
55 to 594816.35785.59366.0+455
60 to 644445.86606.39836.3+539
65 to 693804.96616.39436.0+564
70 to 743804.95755.59235.9+543
75 to 792122.84754.58375.3+625
80 to 841662.23933.76864.4+520
85 and over1391.82762.67384.7+599
Total persons7,681100.010,509100.015,657100.0+7,977
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), December 2023.

Key findings

In 2021, the dominant age structure for males in Shire of Dardanup was ages 5 to 9, which accounted for 7.8% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 45 to 49, which is expected to increase by 349 and account for 7.5% of the total males.

The largest male 5 year age group in 2031 is 45 to 49 years, with a total of 792 males.

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