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City of SydneyPopulation forecast

Green Square Renewal Area

Population and age structure

Between 2021 and 2031, the age structure forecasts for Green Square Renewal Area indicate a 81.3% increase in population under working age, a 74.9% increase in population of retirement age, and a 51.9% 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 the City of Sydney 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
Green Square Renewal Area - Total persons202120312041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 41,7175.02,9295.53,3495.3+1,632
5 to 97602.21,4322.71,7412.7+981
10 to 143761.18121.51,1551.8+778
15 to 196601.91,9753.72,3733.7+1,714
20 to 244,45213.06,43712.17,27111.5+2,819
25 to 297,52121.910,03518.811,30317.8+3,782
30 to 347,19420.99,67518.210,91117.2+3,717
35 to 394,47213.06,92113.07,91212.5+3,439
40 to 442,3056.74,5838.65,4188.5+3,113
45 to 491,3644.02,8715.43,7225.9+2,358
50 to 541,0893.21,7403.32,6354.2+1,546
55 to 597882.31,1652.21,8502.9+1,062
60 to 646101.88691.61,2191.9+609
65 to 694461.36321.28561.4+410
70 to 742800.84630.96201.0+341
75 to 791540.43260.64460.7+292
80 to 84840.22280.43430.5+259
85 and over780.21730.32720.4+193
Total persons34,350100.053,267100.063,395100.0+29,045
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), November 2022.

Key findings

In 2021, the dominant age structure for persons in Green Square Renewal Area was ages 25 to 29, which accounted for 21.9% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 25 to 29, which is expected to increase by 2,514 and account for 18.8% of the total persons.

The largest 5 year age group in 2031 is 25 to 29 years, with a total of 10,035 persons.

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