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Central Coast NSWPopulation forecast

Northern Lakes District

Population and age structure

Between 2021 and 2026, the age structure forecasts for Northern Lakes District indicate a 9.6% increase in females under working age, a 13.0% increase in females of retirement age, and a 7.4% increase in females 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
Northern Lakes District - Total females202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 44024.55215.37525.5+350
5 to 94775.44794.97565.5+279
10 to 144965.65075.27175.2+221
15 to 194154.74845.06234.5+208
20 to 244174.74054.25714.1+154
25 to 294134.64454.66314.6+218
30 to 344234.74835.07015.1+278
35 to 394665.24985.17435.4+277
40 to 443984.54674.86814.9+283
45 to 494795.44444.66434.7+164
50 to 545696.45575.77275.3+158
55 to 595976.76606.88266.0+229
60 to 646517.37407.61,0137.4+362
65 to 696907.78388.61,2278.9+537
70 to 748079.18098.31,2679.2+461
75 to 796016.77217.49757.1+374
80 to 843554.04344.55584.1+204
85 and over2522.82562.63662.7+114
Total persons8,906100.09,746100.013,777100.0+4,871
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the dominant age structure for females in Northern Lakes District was ages 70 to 74, which accounted for 9.1% of the total females.

The largest increase in females between 2021 and 2026 is forecast to be in ages 65 to 69, which is expected to increase by 149 and account for 8.6% of the total females.

The largest female 5 year age group in 2026 is 65 to 69 years, with a total of 838 females.

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