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Shellharbour City CouncilPopulation forecast

Calderwood

Population and age structure

Between 2021 and 2026, the age structure forecasts for Calderwood indicate a 97.2% increase in population under working age, a 119.7% increase in population of retirement age, and a 88.8% 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 Shellharbour 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
Calderwood - Total persons202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 442214.576813.71,55610.9+1,134
5 to 929110.062011.01,47510.3+1,184
10 to 142077.14267.61,2678.9+1,060
15 to 191023.52684.89356.5+833
20 to 241164.02504.46834.8+568
25 to 2936112.45179.21,0087.0+647
30 to 3443314.869712.41,3359.3+903
35 to 3933411.563611.31,3819.7+1,047
40 to 441776.14437.91,1808.2+1,003
45 to 491364.72584.69296.5+793
50 to 54592.01883.46804.8+621
55 to 59953.31482.65463.8+451
60 to 64662.31432.54162.9+350
65 to 69622.11142.03532.5+291
70 to 74351.2771.42521.8+217
75 to 79130.4420.71771.2+164
80 to 8400.0160.3960.7+96
85 and over70.380.1340.2+27
Total persons2,916100.05,618100.014,304100.0+11,388
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the dominant age structure for persons in Calderwood was ages 30 to 34, which accounted for 14.8% 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 345 and account for 13.7% of the total persons.

The largest 5 year age group in 2026 is 0 to 4 years, with a total of 768 persons.

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