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City of BoroondaraPopulation forecast

Balwyn North

Population and age structure

Between 2021 and 2031, the age structure forecasts for Balwyn North indicate a 33.8% decrease in males under working age, a 11.8% increase in males of retirement age, and a 7.0% increase in males 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 Boroondara 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
Balwyn North - Total males202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 43983.83283.13943.8-5
5 to 96566.23903.74704.5-186
10 to 149909.46356.06436.1-346
15 to 191,0469.91,0159.68968.6-150
20 to 248007.61,40713.41,23411.8+434
25 to 295214.91,0009.59328.9+411
30 to 344414.26396.17427.1+301
35 to 394133.94244.05325.1+119
40 to 445585.34384.25315.1-27
45 to 497787.46265.96716.4-107
50 to 548327.96065.86256.0-207
55 to 597647.25505.25084.9-257
60 to 646716.45955.64844.6-187
65 to 694684.45335.13833.7-85
70 to 744354.14384.23543.4-81
75 to 792972.83333.23553.4+58
80 to 842482.32852.72982.8+50
85 and over2332.22912.84123.9+179
Total persons10,550100.010,537100.010,463100.0-86
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), May 2024.

Key findings

In 2021, the dominant age structure for males in Balwyn North was ages 15 to 19, which accounted for 9.9% of the total males.

The largest increase in males between 2021 and 2031 is forecast to be in ages 20 to 24, which is expected to increase by 607 and account for 13.4% of the total males.

The largest male 5 year age group in 2031 is 20 to 24 years, with a total of 1,407 males.

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