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Wollongong City CouncilPopulation forecast

Wollongong City Council

Population and age structure

Between 2016 and 2031, the age structure forecasts for Wollongong City Council indicate a 18.0% increase in population under working age, a 23.0% increase in population of retirement age, and a 17.6% increase in population 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 persons201620312041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 412,9856.214,7515.916,2375.8+3,252
5 to 913,1836.315,4016.217,1766.2+3,993
10 to 1412,2135.815,1376.117,1906.2+4,977
15 to 1913,6156.517,4437.019,3406.9+5,724
20 to 2416,7528.019,7377.921,4477.7+4,695
25 to 2914,5806.916,8756.818,4096.6+3,829
30 to 3413,4396.416,0336.417,5786.3+4,140
35 to 3912,9006.115,9696.417,6486.3+4,748
40 to 4413,7746.516,0786.417,9726.4+4,197
45 to 4913,1976.315,4646.217,5476.3+4,350
50 to 5413,6156.514,9506.017,0156.1+3,400
55 to 5913,0776.214,4655.816,1555.8+3,079
60 to 6411,2935.413,1865.314,8275.3+3,534
65 to 6910,3414.912,2004.913,5534.9+3,213
70 to 748,3224.010,8324.311,9504.3+3,627
75 to 796,7333.28,7683.510,2703.7+3,536
80 to 845,1262.46,7832.78,0892.9+2,964
85 and over5,2062.55,3512.16,3412.3+1,135
Total persons210,351100.0249,422100.0278,744100.0+68,393
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), July 2021.

Key findings

In 2016, the dominant age structure for persons in Wollongong City Council was ages 20 to 24, which accounted for 8.0% of the total persons.

The largest increase in persons between 2016 and 2031 is forecast to be in ages 15 to 19, which is expected to increase by 3,828 and account for 7.0% of the total persons.

The largest 5 year age group in 2031 is 20 to 24 years, with a total of 19,737 persons.

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