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City of KnoxPopulation forecast

City of Knox

Population and age structure

Between 2016 and 2026, the age structure forecasts for City of Knox indicate a 7.0% increase in population under working age, a 35.3% increase in population of retirement age, and a 2.0% 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 Knox 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 Knox - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 49,7616.110,2845.911,1395.8+1,378
5 to 99,5706.010,2775.911,1415.8+1,570
10 to 149,3125.810,0835.811,0505.7+1,738
15 to 1910,3476.510,2085.911,2955.9+948
20 to 2411,1276.910,3416.011,5156.0+388
25 to 2910,9536.811,1546.512,1536.3+1,200
30 to 3411,0816.911,9196.912,8616.7+1,780
35 to 3910,6846.712,0116.913,1286.8+2,444
40 to 4410,8776.811,7526.813,0126.8+2,135
45 to 4911,2847.011,1746.512,6566.6+1,372
50 to 5411,2687.010,8606.312,0446.3+777
55 to 5910,6906.710,5196.111,2185.8+528
60 to 649,4455.99,9425.710,1235.3+679
65 to 698,1145.19,1425.39,3534.9+1,239
70 to 745,6823.58,0404.68,7974.6+3,116
75 to 794,2342.66,6953.98,0394.2+3,805
80 to 842,8641.84,4842.66,7553.5+3,892
85 and over3,0541.94,0292.36,1293.2+3,075
Total persons160,345100.0172,915100.0192,407100.0+32,062
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), May 2018.

Key findings

In 2016, the dominant age structure for persons in City of Knox was ages 45 to 49, which accounted for 7.0% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 75 to 79, which is expected to increase by 2,461 and account for 3.9% of the total persons.

The largest 5 year age group in 2026 is 35 to 39 years, with a total of 12,011 persons.

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