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City of JoondalupPopulation forecast

City of Joondalup

Population and age structure

Between 2016 and 2031, the age structure forecasts for the City of Joondalup indicate a 2.6% increase in females under working age, a 45.1% increase in females of retirement age, and a 2.0% decrease in females 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 Joondalup 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 Joondalup - Total females201620312041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 44,6035.74,7355.65,0535.6+450
5 to 95,3216.65,2376.25,5276.1+206
10 to 145,0536.35,3886.35,6686.3+615
15 to 195,3146.65,2466.25,4996.1+185
20 to 245,0676.34,6305.44,9015.4-166
25 to 294,4725.64,4705.34,8515.4+379
30 to 344,7805.95,1046.05,4906.1+710
35 to 395,1936.45,8596.96,2366.9+1,043
40 to 445,8117.26,2307.36,6257.4+814
45 to 496,2417.76,1137.26,5097.2+268
50 to 546,1807.75,4716.45,8906.5-290
55 to 595,8527.34,9975.95,2625.8-590
60 to 645,0446.34,7325.64,7405.3-304
65 to 694,3315.44,5475.34,3714.9+40
70 to 742,6073.24,1094.83,9954.4+1,388
75 to 791,7392.23,4014.03,6234.0+1,884
80 to 841,3771.72,6283.13,0063.3+1,629
85 and over1,5531.92,1542.52,7803.1+1,227
Total persons80,538100.085,054100.090,024100.0+9,486
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, December 2018.

Key findings

In 2016, the dominant age structure for females in the City of Joondalup was ages 45 to 49, which accounted for 7.7% of the total females.

The largest increase in females between 2016 and 2031 is forecast to be in ages 75 to 79, which is expected to increase by 1,662 and account for 4.0% of the total females.

The largest female 5 year age group in 2031 is 40 to 44 years, with a total of 6,230 females.

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