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City of SydneyPopulation forecast

Redfern Waterloo

Population and age structure

Between 2021 and 2031, the age structure forecasts for Redfern Waterloo indicate a 63.4% increase in population under working age, a 26.9% increase in population of retirement age, and a 60.2% 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
Redfern Waterloo - Total persons202120312041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 41,2213.72,0543.92,3893.8+1,168
5 to 97512.21,1762.21,4822.4+731
10 to 146161.89981.91,3312.1+716
15 to 198582.62,5544.92,9014.7+2,043
20 to 243,55110.66,12011.76,85111.0+3,300
25 to 295,48416.47,89415.18,91814.4+3,434
30 to 345,21815.67,71314.78,77414.1+3,556
35 to 393,45910.46,16011.87,11911.5+3,660
40 to 442,2826.84,4198.45,3098.6+3,027
45 to 491,6815.03,0005.73,9816.4+2,300
50 to 541,7075.12,1964.23,1135.0+1,405
55 to 591,5194.61,7863.42,4704.0+951
60 to 641,3614.11,6173.11,9583.2+596
65 to 691,0883.31,3592.61,5722.5+485
70 to 749712.91,1182.11,2982.1+326
75 to 796441.98341.61,0121.6+367
80 to 845521.77361.48441.4+292
85 and over4251.36241.27471.2+322
Total persons33,388100.052,357100.062,067100.0+28,679
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 Redfern Waterloo was ages 25 to 29, which accounted for 16.4% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 35 to 39, which is expected to increase by 2,701 and account for 11.8% of the total persons.

The largest 5 year age group in 2031 is 25 to 29 years, with a total of 7,894 persons.

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