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City of BaysidePopulation forecast

City of Bayside

Population and age structure

Between 2021 and 2026, the age structure forecasts for City of Bayside indicate a 9.1% increase in males under working age, a 7.9% increase in males of retirement age, and a 8.8% 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 Bayside 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
City of Bayside - Total males202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 42,2944.72,8595.43,1315.4+837
5 to 93,1446.43,2576.13,6756.4+531
10 to 143,7687.73,9247.44,1777.2+409
15 to 193,6487.44,0077.54,1297.1+481
20 to 242,8235.83,1265.93,3835.9+560
25 to 291,8893.92,2774.32,4994.3+610
30 to 342,0644.22,4194.52,6644.6+600
35 to 392,5585.22,9995.63,2795.7+721
40 to 442,9806.13,4126.43,7546.5+774
45 to 493,6937.53,6856.94,1287.1+435
50 to 544,0658.33,9817.54,1507.2+85
55 to 593,5387.23,9447.43,8206.6+282
60 to 643,2156.63,2946.23,5426.1+327
65 to 692,5555.22,8615.43,1765.5+621
70 to 742,5105.12,3344.42,6554.6+145
75 to 791,8743.82,1374.02,2373.9+363
80 to 841,1932.41,4902.81,6502.9+457
85 and over1,2412.51,2952.41,7703.1+529
Total persons49,052100.053,303100.057,820100.0+8,768
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), February 2024.

Key findings

In 2021, the dominant age structure for males in City of Bayside was ages 50 to 54, which accounted for 8.3% of the total males.

The largest increase in males between 2021 and 2026 is forecast to be in ages 0 to 4, which is expected to increase by 565 and account for 5.4% of the total males.

The largest male 5 year age group in 2026 is 15 to 19 years, with a total of 4,007 males.

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