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Central Coast NSWPopulation forecast

Central Coast NSW

Population and age structure

Between 2021 and 2026, the age structure forecasts for Central Coast NSW indicate a 7.6% increase in population under working age, a 5.3% increase in population of retirement age, and a 6.9% 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 Central Coast NSW 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.

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Forecast age structure - 5 year age groups
Central Coast NSW - Total persons202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 419,9925.722,9856.225,5396.1+5,547
5 to 921,3846.122,4326.025,7706.2+4,386
10 to 1422,2806.423,1066.225,8586.2+3,577
15 to 1920,4205.922,2176.024,1265.8+3,706
20 to 2418,9025.420,0865.422,3775.4+3,475
25 to 2918,9955.520,8325.623,0685.6+4,073
30 to 3419,9955.722,2936.024,6915.9+4,697
35 to 3921,0446.023,4506.326,3196.3+5,275
40 to 4420,5575.923,4046.326,5176.4+5,960
45 to 4922,0726.322,4016.026,2836.3+4,211
50 to 5422,1266.422,9186.225,4936.1+3,367
55 to 5922,5426.522,9266.224,4675.9+1,925
60 to 6422,3126.422,8436.124,2995.9+1,987
65 to 6920,4285.922,2016.023,6165.7+3,187
70 to 7419,7055.719,5745.322,3135.4+2,608
75 to 7914,9254.317,0354.619,0484.6+4,123
80 to 8410,2783.011,2343.013,4793.2+3,201
85 and over10,4183.09,7452.612,0912.9+1,673
Total persons348,375100.0371,682100.0415,355100.0+66,980
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the dominant age structure for persons in Central Coast NSW was ages 55 to 59, which accounted for 6.5% 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 2,993 and account for 6.2% of the total persons.

The largest 5 year age group in 2026 is 35 to 39 years, with a total of 23,450 persons.

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