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City of BaysidePopulation forecast

City of Bayside

Population and age structure

Between 2016 and 2026, the age structure forecasts for the City of Bayside indicate a 1.3% increase in population under working age, a 23.1% increase in population of retirement age, and a 8.4% 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 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 persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 45,5525.46,1165.46,3555.4+803
5 to 96,9996.86,7986.07,0375.9+38
10 to 147,0756.96,9716.27,2136.1+138
15 to 196,4516.37,1966.47,1306.0+679
20 to 245,5035.46,3465.66,3515.4+848
25 to 294,4794.45,1644.65,4484.6+969
30 to 344,7954.75,4374.85,7284.8+933
35 to 395,6525.56,8836.17,1866.1+1,534
40 to 447,5547.48,1017.28,3837.1+829
45 to 498,5738.37,9757.18,4597.1-114
50 to 547,8417.67,7936.98,1066.8+265
55 to 597,1517.07,6446.87,3356.2+184
60 to 645,9645.86,8026.06,8355.8+871
65 to 695,6225.56,2615.66,6755.6+1,053
70 to 744,4274.35,3344.76,0475.1+1,620
75 to 793,0863.04,7744.25,4234.6+2,337
80 to 842,3592.33,5823.24,3243.6+1,965
85 and over3,6543.63,6203.24,5563.8+902
Total persons102,737100.0112,795100.0118,590100.0+15,853
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, November 2017.

Key findings

In 2016, the dominant age structure for persons in the City of Bayside was ages 45 to 49, which accounted for 8.3% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 75 to 79, which is expected to increase by 1,688 and account for 4.2% of the total persons.

The largest 5 year age group in 2026 is 40 to 44 years, with a total of 8,101 persons.

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