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Wollongong City CouncilPopulation forecast

Wollongong City Council

Population and age structure

Between 2016 and 2026, the age structure forecasts for Wollongong City Council indicate a 10.0% increase in population under working age, a 22.9% increase in population of retirement age, and a 7.2% 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 persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 413,0526.213,8495.914,8365.8+1,784
5 to 913,2326.314,3226.115,6076.1+2,375
10 to 1412,2275.814,1946.115,7276.2+3,499
15 to 1913,6396.515,1146.516,5246.5+2,885
20 to 2416,8158.017,0067.318,1537.1+1,338
25 to 2914,6446.915,3516.615,9176.2+1,273
30 to 3413,5216.414,7926.315,3646.0+1,843
35 to 3912,9466.114,7936.315,9356.3+2,989
40 to 4413,8426.614,9676.416,4496.5+2,607
45 to 4913,2446.314,2676.116,0526.3+2,809
50 to 5413,6896.514,1986.115,5366.1+1,847
55 to 5913,1626.213,2605.714,5225.7+1,361
60 to 6411,3675.412,9975.613,8815.4+2,514
65 to 6910,4034.912,1855.212,7665.0+2,363
70 to 748,3704.010,3364.411,8764.7+3,506
75 to 796,7633.28,7643.810,3454.1+3,582
80 to 845,1142.46,4782.87,9123.1+2,799
85 and over5,1722.46,2672.77,4032.9+2,232
Total persons211,201100.0233,141100.0254,805100.0+43,604
Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), November 2017.

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 2026 is forecast to be in ages 75 to 79, which is expected to increase by 2,001 and account for 3.8% of the total persons.

The largest 5 year age group in 2026 is 20 to 24 years, with a total of 17,006 persons.

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