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Wollongong City CouncilPopulation forecast

Wollongong City Council

Population and age structure

Between 2021 and 2031, the age structure forecasts for Wollongong City Council indicate a 8.0% increase in males under working age, a 25.3% increase in males of retirement age, and a 8.7% 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 Wollongong City 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
Wollongong City Council - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 46,3776.07,0225.98,8616.1+2,484
5 to 96,6646.27,3716.29,2116.3+2,547
10 to 146,7426.36,9815.98,5615.9+1,820
15 to 196,7656.37,5496.48,7246.0+1,959
20 to 248,2617.79,3757.910,1937.0+1,933
25 to 297,6887.28,8297.410,1047.0+2,416
30 to 347,0916.68,0476.89,8666.8+2,775
35 to 396,8086.47,4296.310,0166.9+3,208
40 to 446,4486.07,4376.39,6616.7+3,213
45 to 496,8806.47,2826.19,2826.4+2,401
50 to 546,3846.06,5645.58,4375.8+2,053
55 to 596,5886.26,5555.57,6115.2+1,023
60 to 646,1535.85,9915.07,0874.9+934
65 to 695,0724.86,2585.36,3504.4+1,277
70 to 744,7044.45,3464.56,1224.2+1,418
75 to 793,4673.24,2373.65,2393.6+1,772
80 to 842,4862.33,5022.94,7023.2+2,216
85 and over2,1532.03,0712.65,1703.6+3,017
Total persons106,732100.0118,845100.0145,198100.0+38,466
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), April 2024.

Key findings

In 2021, the dominant age structure for males in Wollongong City Council was ages 20 to 24, which accounted for 7.7% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 65 to 69, which is expected to increase by 1,186 and account for 5.3% of the total males.

The largest male 5 year age group in 2031 is 20 to 24 years, with a total of 9,375 males.

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