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Hobsons Bay CityPopulation forecast

Hobsons Bay City

Population and age structure

Between 2016 and 2026, the age structure forecasts for Hobsons Bay City indicate a 18.6% increase in population under working age, a 25.9% increase in population of retirement age, and a 13.4% 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 Hobsons Bay City 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
Hobsons Bay City - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 46,5647.07,5036.98,4086.7+1,845
5 to 95,9886.46,9426.47,8596.2+1,871
10 to 144,8035.16,1435.77,0115.6+2,208
15 to 194,8745.25,7605.36,6165.2+1,742
20 to 245,7376.16,3865.97,2685.8+1,531
25 to 296,9227.47,9287.38,7436.9+1,821
30 to 347,4588.08,5907.99,5107.5+2,052
35 to 397,0227.58,3547.79,3417.4+2,319
40 to 447,0187.57,9397.38,9687.1+1,949
45 to 496,7047.27,2366.78,4796.7+1,774
50 to 546,3006.76,8306.37,9006.3+1,600
55 to 595,8946.36,3275.87,3305.8+1,436
60 to 644,7275.15,7125.36,5105.2+1,783
65 to 694,0544.35,1054.75,9174.7+1,863
70 to 743,0233.24,0113.75,1484.1+2,124
75 to 792,4092.63,1912.94,3893.5+1,980
80 to 841,9582.12,2112.03,4752.8+1,517
85 and over1,9902.12,4002.23,3042.6+1,314
Total persons93,445100.0108,570100.0126,177100.0+32,732
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), February 2020.

Key findings

In 2016, the dominant age structure for persons in Hobsons Bay City was ages 30 to 34, which accounted for 8.0% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 10 to 14, which is expected to increase by 1,340 and account for 5.7% of the total persons.

The largest 5 year age group in 2026 is 30 to 34 years, with a total of 8,590 persons.

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