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Central Coast NSWPopulation forecast

Woy Woy - Blackwall

Population and age structure

Between 2021 and 2026, the age structure forecasts for Woy Woy - Blackwall indicate a 5.7% increase in population under working age, a 4.6% decrease in population of retirement age, and a 10.4% 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
Woy Woy - Blackwall - Total persons202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 46705.17605.58135.6+144
5 to 97075.46774.97405.1+33
10 to 146625.17195.27134.9+52
15 to 196484.97155.27255.0+77
20 to 246214.77105.17555.2+134
25 to 296845.27855.78165.6+132
30 to 347555.88796.49116.3+156
35 to 397415.78996.59566.6+215
40 to 447785.98646.29636.6+184
45 to 497665.98366.09416.5+174
50 to 548236.38356.09176.3+93
55 to 598376.49016.59356.4+98
60 to 648856.88976.59436.5+58
65 to 698496.58736.39206.3+71
70 to 748226.37865.78275.7+5
75 to 797345.66784.96934.8-41
80 to 845194.05273.85003.4-19
85 and over5954.54933.64893.4-106
Total persons13,096100.013,834100.014,557100.0+1,461
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 Woy Woy - Blackwall was ages 60 to 64, which accounted for 6.8% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 35 to 39, which is expected to increase by 158 and account for 6.5% of the total persons.

The largest 5 year age group in 2026 is 55 to 59 years, with a total of 901 persons.

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