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City of RockinghamPopulation forecast

Baldivis (South)

Population and age structure

Between [Parameter].[Year1Label] and 2022, the age structure forecasts for Baldivis (South) indicate a 1.8% increase in males under working age, a 2.5% increase in males of retirement age, and a 2.8% 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 Rockingham 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
Baldivis (South) - Total males[Parameter].[Year1Label]20222036Change between [Parameter].[Year1Label] and 2036
Age group (years)Number%Number%Number%Number
0 to 41,2299.21,2439.01,3397.6+110
5 to 91,3139.81,3409.71,2857.3-28
10 to 141,2189.11,2469.11,2847.3+66
15 to 199627.21,0227.41,4128.0+450
20 to 247175.37205.21,3887.9+670
25 to 298476.38766.41,0706.1+223
30 to 341,1058.21,1268.21,0235.8-83
35 to 391,1788.81,2138.81,1156.3-63
40 to 441,0087.51,0627.71,2206.9+212
45 to 498966.78946.51,2887.3+392
50 to 547996.08266.01,2637.2+465
55 to 595994.56074.41,0285.8+429
60 to 644593.44673.48574.9+398
65 to 693382.53452.56633.8+325
70 to 743242.43142.34642.6+140
75 to 792531.92651.93351.9+82
80 to 841190.91311.02571.5+138
85 and over590.4650.53472.0+288
Total persons13,423100.013,761100.017,637100.0+4,214
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), December 2023.

Key findings

In [Parameter].[Year1Label], the dominant age structure for males in Baldivis (South) was ages 5 to 9, which accounted for 9.8% of the total males.

The largest increase in males between [Parameter].[Year1Label] and 2022 is forecast to be in ages 15 to 19, which is expected to increase by 59 and account for 7.4% of the total males.

The largest male 5 year age group in 2022 is 5 to 9 years, with a total of 1,340 males.

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