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City of KalamundaPopulation forecast

City of Kalamunda

Population and age structure

Between 2016 and 2026, the age structure forecasts for City of Kalamunda indicate a 6.4% increase in population under working age, a 23.0% increase in population of retirement age, and a 3.1% 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 Kalamunda 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 Kalamunda - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 43,7646.43,8966.24,3896.1+625
5 to 94,0296.84,2046.64,6676.5+638
10 to 143,8276.54,2616.74,7516.7+925
15 to 194,0116.84,1286.54,5536.4+543
20 to 243,5966.13,5775.74,0185.6+422
25 to 293,6786.23,7716.04,1475.8+469
30 to 343,9676.74,0606.44,5096.3+542
35 to 393,8576.54,1596.64,6566.5+799
40 to 444,0166.84,2536.74,7516.7+736
45 to 494,1397.04,1526.64,6986.6+559
50 to 543,9626.74,0716.44,5426.4+579
55 to 593,6326.13,8066.04,1705.8+539
60 to 643,3255.63,4065.43,7225.2+397
65 to 693,2625.53,0704.83,3994.8+137
70 to 742,3213.92,7324.33,0974.3+776
75 to 791,7252.92,4983.92,7433.8+1,018
80 to 841,1902.01,6492.62,2133.1+1,023
85 and over8961.51,6072.52,3823.3+1,486
Total persons59,194100.063,300100.071,407100.0+12,213
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), February 2021.

Key findings

In 2016, the dominant age structure for persons in City of Kalamunda 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 774 and account for 3.9% of the total persons.

The largest 5 year age group in 2026 is 10 to 14 years, with a total of 4,261 persons.

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