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City of MaribyrnongPopulation forecast

Seddon

Population and age structure

Between [Parameter].[Year1Label] and 2022, the age structure forecasts for Seddon indicate a 0.8% increase in population under working age, a 2.9% increase in population of retirement age, and a 2.2% 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 Maribyrnong 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
Seddon - Total persons[Parameter].[Year1Label]20222051Change between [Parameter].[Year1Label] and 2051
Age group (years)Number%Number%Number%Number
0 to 43777.23827.25127.2+135
5 to 93236.23125.83795.3+56
10 to 142665.12805.23154.4+49
15 to 191442.71713.22743.8+130
20 to 242855.52745.14215.9+135
25 to 294608.85159.66599.2+199
30 to 3461611.859711.280711.3+191
35 to 3956510.859211.172410.1+159
40 to 444769.14658.75788.1+102
45 to 494037.74087.74866.8+83
50 to 543707.13727.04566.4+85
55 to 593166.03266.13945.5+78
60 to 642234.32234.23094.3+85
65 to 691492.91593.02423.4+93
70 to 74891.7801.51982.8+109
75 to 79791.5751.41652.3+85
80 to 84490.9601.11191.7+69
85 and over410.8450.9981.4+57
Total persons5,232100.05,333100.07,133100.0+1,901
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), January 2023.

Key findings

In [Parameter].[Year1Label], the dominant age structure for persons in Seddon 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 25 to 29, which is expected to increase by 55 and account for 9.6% of the total persons.

The largest 5 year age group in 2022 is 30 to 34 years, with a total of 597 persons.

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