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Central Coast NSWPopulation forecast

Peninsula District

Population and age structure

Between 2021 and 2026, the age structure forecasts for Peninsula District indicate a 3.6% increase in population under working age, a 0.7% decrease in population of retirement age, and a 5.4% 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
Peninsula District - Total persons202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 42,0495.42,1825.62,2415.5+192
5 to 92,1465.72,1105.42,1905.3+44
10 to 141,9845.22,1085.42,1015.1+117
15 to 191,7914.71,9625.02,0054.9+214
20 to 241,7734.71,8094.61,9394.7+166
25 to 291,7344.61,8894.81,9214.7+188
30 to 341,9635.22,1195.42,1605.3+197
35 to 392,2535.92,4166.12,4946.1+241
40 to 442,2956.02,5176.42,6156.4+319
45 to 492,3106.12,4256.22,6196.4+309
50 to 542,3926.32,4386.22,6236.4+231
55 to 592,5236.62,5906.62,6776.5+155
60 to 642,6356.92,6836.82,7576.7+122
65 to 692,5256.72,6436.72,7356.7+210
70 to 742,6116.92,3866.12,5656.3-46
75 to 792,0975.52,1905.62,1765.3+79
80 to 841,4093.71,4943.81,5303.7+120
85 and over1,4703.91,3293.41,5823.9+112
Total persons37,960100.039,290100.040,930100.0+2,970
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 Peninsula District was ages 60 to 64, which accounted for 6.9% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 40 to 44, which is expected to increase by 222 and account for 6.4% of the total persons.

The largest 5 year age group in 2026 is 60 to 64 years, with a total of 2,683 persons.

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