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City of SalisburyPopulation forecast

City of Salisbury

Population and age structure

Between 2021 and 2031, the age structure forecasts for City of Salisbury indicate a 13.5% decrease in population under working age, a 21.2% increase in population of retirement age, and a 2.3% decrease 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 Salisbury 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 Salisbury - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 49,4626.48,3945.79,2195.9-243
5 to 99,8986.78,1935.68,6825.6-1,216
10 to 149,6776.68,5285.88,4405.4-1,238
15 to 198,9636.110,1666.99,3986.0+435
20 to 2410,4067.011,0797.610,8717.0+466
25 to 2911,0787.59,9336.811,1787.2+100
30 to 3410,8807.410,3737.111,9967.7+1,116
35 to 3911,2127.610,6057.211,5067.4+294
40 to 449,4666.49,9566.810,1046.5+638
45 to 498,9366.19,4046.49,4776.1+541
50 to 548,9086.07,7835.39,1625.9+254
55 to 598,7135.97,2965.08,1555.2-558
60 to 647,8145.37,6055.27,8355.0+21
65 to 696,5794.57,6565.26,7374.3+159
70 to 746,0094.16,8144.76,4454.1+436
75 to 794,1752.85,3003.66,1133.9+1,938
80 to 842,8832.04,1122.85,1143.3+2,231
85 and over2,6381.83,1272.15,1803.3+2,542
Total persons147,695100.0146,326100.0155,611100.0+7,916
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 City of Salisbury was ages 35 to 39, which accounted for 7.6% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 80 to 84, which is expected to increase by 1,229 and account for 2.8% of the total persons.

The largest 5 year age group in 2031 is 20 to 24 years, with a total of 11,079 persons.

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