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Alexandrina CouncilPopulation forecast

Alexandrina Council

Population and age structure

Between [Parameter].[Year1Label] and 2022, the age structure forecasts for Alexandrina Council indicate a 2.4% increase in females under working age, a 3.7% increase in females of retirement age, and a 1.6% increase in females 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 Alexandrina Council 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
Alexandrina Council - Total females[Parameter].[Year1Label]20222026Change between [Parameter].[Year1Label] and 2026
Age group (years)Number%Number%Number%Number
0 to 45443.75763.87254.4+181
5 to 96884.76884.67314.4+44
10 to 148235.68405.68495.1+26
15 to 196994.77334.98645.2+165
20 to 245263.65843.97204.4+195
25 to 295663.85974.07154.3+149
30 to 346234.26744.58325.0+210
35 to 396724.67054.79015.5+229
40 to 447124.87094.77774.7+65
45 to 498415.77875.27034.3-138
50 to 548896.09266.19125.5+23
55 to 591,0737.31,0436.91,0376.3-35
60 to 641,2868.71,2558.31,0946.6-192
65 to 691,3989.51,3949.21,4078.5+9
70 to 741,3609.21,3799.11,4448.7+84
75 to 799196.21,0176.71,3228.0+403
80 to 846004.16214.17794.7+179
85 and over5103.55533.77094.3+199
Total persons14,729100.015,080100.016,523100.0+1,794
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), May 2024.

Key findings

In [Parameter].[Year1Label], the dominant age structure for females in Alexandrina Council was ages 65 to 69, which accounted for 9.5% of the total females.

The largest increase in females between [Parameter].[Year1Label] and 2022 is forecast to be in ages 75 to 79, which is expected to increase by 98 and account for 6.7% of the total females.

The largest female 5 year age group in 2022 is 65 to 69 years, with a total of 1,394 females.

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