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City of JoondalupPopulation forecast


Population and age structure

Between 2016 and 2031, the age structure forecasts for Kinross indicate a 2.6% decrease in population under working age, a 77.6% increase in population of retirement age, and a 6.0% 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 Kinross 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
Kinross - Total persons201620312041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 44656.54666.44406.2-25
5 to 95197.25077.04806.7-39
10 to 145818.15527.65277.4-54
15 to 196629.25307.35107.1-152
20 to 244616.44225.84055.7-56
25 to 293975.53865.33695.2-28
30 to 343965.54255.84025.6+6
35 to 394706.65046.94786.7+8
40 to 446038.45747.95457.7-58
45 to 4972210.15677.85477.7-175
50 to 546078.54846.64766.7-131
55 to 593895.44065.63895.50
60 to 643004.24105.63565.0+56
65 to 692072.93474.83174.4+110
70 to 741371.92613.63074.3+170
75 to 79921.32052.82703.8+178
80 to 84891.21371.91832.6+94
85 and over640.9961.31251.8+61
Total persons7,161100.07,278100.07,127100.0-34
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, December 2018.

Key findings

In 2016, the dominant age structure for persons in Kinross was ages 45 to 49, which accounted for 10.1% of the total persons.

The largest increase in persons between 2016 and 2031 is forecast to be in ages 65 to 69, which is expected to increase by 140 and account for 4.8% of the total persons.

The largest 5 year age group in 2031 is 40 to 44 years, with a total of 574 persons.

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