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Cumberland City CouncilPopulation forecast

Cumberland City Council

Population and age structure

Between 2021 and 2026, the age structure forecasts for Cumberland City Council indicate a 13.9% increase in population under working age, a 20.1% increase in population of retirement age, and a 12.8% 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 Cumberland 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
Cumberland City Council - Total persons202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 416,8147.121,4397.922,6297.7+5,816
5 to 916,1786.816,8306.219,3916.6+3,213
10 to 1414,5086.115,8385.917,1535.8+2,644
15 to 1912,7845.416,6916.217,2145.8+4,430
20 to 2419,1528.122,4598.324,3058.3+5,153
25 to 2922,4569.526,4829.827,6309.4+5,174
30 to 3421,9989.323,9618.925,1788.6+3,180
35 to 3920,2648.620,9797.821,9677.5+1,703
40 to 4415,8576.718,3076.818,5166.3+2,659
45 to 4913,3285.615,3225.716,8235.7+3,494
50 to 5412,6145.313,6575.116,0895.5+3,475
55 to 5912,3185.212,7194.714,3204.9+2,003
60 to 6410,7714.511,6804.312,3594.2+1,588
65 to 698,7213.79,9723.710,8043.7+2,083
70 to 747,1333.08,0813.09,6973.3+2,564
75 to 795,0682.16,6222.58,2752.8+3,208
80 to 843,6001.54,4611.76,2092.1+2,608
85 and over3,4031.44,3891.65,7922.0+2,390
Total persons236,965100.0269,886100.0294,351100.0+57,386
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), March 2023.

Key findings

In 2021, the dominant age structure for persons in Cumberland City Council was ages 25 to 29, which accounted for 9.5% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 0 to 4, which is expected to increase by 4,625 and account for 7.9% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 26,482 persons.

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