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Fairfield CityPopulation forecast

Smithfield

Population and age structure

Between 2021 and 2026, the age structure forecasts for Smithfield indicate a 4.5% increase in population under working age, a 2.2% increase in population of retirement age, and a 7.7% 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 Fairfield 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
Smithfield - Total persons202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 48106.18486.19806.1+170
5 to 98536.58786.39746.1+121
10 to 149096.99626.91,0376.5+128
15 to 198776.79807.01,0706.7+193
20 to 249106.91,0157.31,1447.1+234
25 to 298996.89947.11,1297.0+230
30 to 348606.59226.61,0506.6+190
35 to 398096.18696.29906.2+181
40 to 447285.58125.89295.8+201
45 to 497956.08015.79425.9+147
50 to 548336.38586.19666.0+133
55 to 597996.18556.19556.0+156
60 to 647846.08265.99335.8+149
65 to 696304.87075.18285.2+198
70 to 745214.05393.96984.4+177
75 to 794133.14353.15723.6+159
80 to 843452.63272.34412.8+96
85 and over4003.03522.53842.4-16
Total persons13,175100.013,979100.016,022100.0+2,847
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), March 2023.

Key findings

In 2021, the dominant age structure for persons in Smithfield was ages 20 to 24, which accounted for 6.9% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 20 to 24, which is expected to increase by 105 and account for 7.3% of the total persons.

The largest 5 year age group in 2026 is 20 to 24 years, with a total of 1,015 persons.

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