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Shoalhaven City CouncilPopulation forecast

Nowra-Bomaderry Structure Plan

Population and age structure

Between 2021 and 2031, the age structure forecasts for Nowra-Bomaderry Structure Plan indicate a 12.5% increase in population under working age, a 13.8% increase in population of retirement age, and a 15.6% 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 Shoalhaven 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
Nowra-Bomaderry Structure Plan - Total persons202120312051Change between 2021 and 2051
Age group (years)Number%Number%Number%Number
0 to 42,4466.42,7996.43,3635.9+917
5 to 92,5006.52,7966.43,4946.2+994
10 to 142,4696.42,7446.33,4856.1+1,016
15 to 192,2605.92,6846.13,3966.0+1,137
20 to 242,3506.12,7976.43,4196.0+1,069
25 to 292,7017.13,0366.93,6536.4+952
30 to 342,5706.73,0326.93,7326.6+1,161
35 to 392,3946.32,9926.83,8086.7+1,414
40 to 442,0975.52,6886.13,5776.3+1,480
45 to 492,2015.72,5275.83,5016.2+1,300
50 to 542,1755.72,3245.33,3685.9+1,193
55 to 592,2225.82,4285.53,3876.0+1,165
60 to 642,3056.02,3925.43,2725.8+967
65 to 692,1185.52,2125.02,9445.2+826
70 to 742,0295.32,0574.72,5584.5+530
75 to 791,4483.81,6923.92,1853.9+737
80 to 849942.61,3513.11,7213.0+726
85 and over1,0172.71,3433.11,8743.3+857
Total persons38,295100.043,893100.056,736100.0+18,441
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), March 2023.

Key findings

In 2021, the dominant age structure for persons in Nowra-Bomaderry Structure Plan was ages 25 to 29, which accounted for 7.1% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 35 to 39, which is expected to increase by 598 and account for 6.8% of the total persons.

The largest 5 year age group in 2031 is 25 to 29 years, with a total of 3,036 persons.

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