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City of Port PhillipPopulation forecast

City of Port Phillip

Population and age structure

Between 2016 and 2026, the age structure forecasts for City of Port Phillip indicate a 14.6% increase in population under working age, a 47.2% increase in population of retirement age, and a 20.7% 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 persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 45,4645.05,9054.47,7214.4+2,257
5 to 94,1303.84,6143.55,4823.1+1,352
10 to 143,2243.04,1733.14,6372.6+1,413
15 to 193,1282.95,3094.06,3523.6+3,224
20 to 247,4996.910,8838.114,1928.0+6,693
25 to 2914,18213.116,45112.322,35912.6+8,177
30 to 3414,44513.315,72411.821,53312.2+7,088
35 to 3910,3869.611,8738.915,7988.9+5,412
40 to 448,6047.99,4737.111,9256.7+3,321
45 to 497,6617.18,5206.410,5656.0+2,904
50 to 546,5586.08,3266.210,1185.7+3,560
55 to 596,0325.67,7115.89,6035.4+3,571
60 to 644,9304.56,4334.88,4764.8+3,546
65 to 694,4524.15,6274.27,8434.4+3,391
70 to 743,0432.84,4993.46,8943.9+3,851
75 to 792,0411.93,5032.65,4043.1+3,363
80 to 841,3451.22,1411.63,9282.2+2,583
85 and over1,5031.42,4551.83,9862.3+2,483
Total persons108,627100.0133,619100.0176,816100.0+68,189
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), November 2019.

Key findings

In 2016, the dominant age structure for persons in City of Port Phillip was ages 30 to 34, which accounted for 13.3% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 20 to 24, which is expected to increase by 3,384 and account for 8.1% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 16,451 persons.

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