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City of PlayfordPopulation forecast

Playford North Extension (South)

Population and age structure

Between 2021 and 2031, the age structure forecasts for Playford North Extension (South) indicate a 1334.3% increase in population under working age, a 290.3% increase in population of retirement age, and a 1083.5% 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 the City of Playford 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
Playford North Extension (South) - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 4277.23638.73187.6+291
5 to 9246.53398.22957.0+270
10 to 14164.12596.22526.0+236
15 to 19194.92676.42626.3+244
20 to 24297.642610.33418.1+312
25 to 294511.848311.63728.9+327
30 to 34287.543310.43628.6+334
35 to 39246.23658.83448.2+320
40 to 44143.72556.12826.7+268
45 to 49184.82405.82856.8+267
50 to 54225.81894.62816.7+259
55 to 59267.01583.82425.8+215
60 to 64246.41313.22064.9+182
65 to 69184.8882.11313.1+113
70 to 74236.0611.5842.0+62
75 to 79113.0471.1631.5+51
80 to 8441.1310.7380.9+34
85 and over61.6150.4360.9+30
Total persons378100.04,150100.04,195100.0+3,817
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), December 2023.

Key findings

In 2021, the dominant age structure for persons in Playford North Extension (South) was ages 25 to 29, which accounted for 11.8% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 25 to 29, which is expected to increase by 438 and account for 11.6% of the total persons.

The largest 5 year age group in 2031 is 25 to 29 years, with a total of 483 persons.

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