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City of Port PhillipPopulation forecast

City of Port Phillip

Population and age structure

Between [Parameter].[Year1Label] and 2022, the age structure forecasts for City of Port Phillip indicate a 2.1% increase in population under working age, a 7.8% increase in population of retirement age, and a 4.7% 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 City of Port Phillip 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 Port Phillip - Total persons[Parameter].[Year1Label]20222041Change between [Parameter].[Year1Label] and 2041
Age group (years)Number%Number%Number%Number
0 to 44,3394.24,5814.27,2704.3+2,931
5 to 93,8633.73,8653.65,0953.0+1,232
10 to 143,7573.63,7703.54,3692.6+612
15 to 193,3583.23,9193.65,7213.4+2,363
20 to 245,8175.66,9336.413,0017.8+7,183
25 to 2911,56011.212,39111.421,65512.9+10,096
30 to 3412,25611.812,71311.720,82512.4+8,570
35 to 3910,42910.110,3829.615,2619.1+4,832
40 to 448,0377.88,3117.711,5306.9+3,493
45 to 497,6457.47,5336.910,1596.1+2,515
50 to 547,1476.97,4496.99,4175.6+2,270
55 to 596,2746.16,3775.98,9065.3+2,632
60 to 645,4035.25,5845.17,7894.7+2,386
65 to 694,2904.14,4234.16,9954.2+2,705
70 to 743,7363.63,7233.46,1693.7+2,433
75 to 792,5672.52,8832.75,1303.1+2,563
80 to 841,6241.61,7631.64,0552.4+2,431
85 and over1,4501.41,9411.84,0162.4+2,566
Total persons103,550100.0108,541100.0167,363100.0+63,813
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), November 2022.

Key findings

In [Parameter].[Year1Label], the dominant age structure for persons in City of Port Phillip was ages 30 to 34, which accounted for 11.8% of the total persons.

The largest increase in persons between [Parameter].[Year1Label] and 2022 is forecast to be in ages 20 to 24, which is expected to increase by 1,116 and account for 6.4% of the total persons.

The largest 5 year age group in 2022 is 30 to 34 years, with a total of 12,713 persons.

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