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City of CockburnPopulation forecast

City of Cockburn

Population and age structure

Between 2021 and 2030, the age structure forecasts for City of Cockburn indicate a 20.1% increase in population under working age, a 47.5% increase in population of retirement age, and a 15.2% 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 Cockburn 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 - Service age groups
City of Cockburn - Total persons202120302041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)8,3096.89,7896.711,0406.5+2,731
Primary schoolers (5 to 11)11,1729.113,6959.314,7088.6+3,536
Secondary schoolers (12 to 17)8,5337.010,5757.211,5486.8+3,015
Tertiary education and independence (18 to 24)10,5918.713,3409.114,4938.5+3,902
Young workforce (25 to 34)18,88215.519,96213.623,97414.1+5,092
Parents and homebuilders (35 to 49)27,56822.631,81821.633,36219.6+5,794
Older workers and pre-retirees (50 to 59)14,95912.217,08511.620,65512.1+5,696
Empty nesters and retirees (60 to 69)11,3409.313,9079.416,1029.5+4,762
Seniors (70 to 84)9,0547.414,0809.618,70111.0+9,647
Elderly aged (85 and over)1,8031.52,9292.05,5073.2+3,704
Total persons122,211100.0147,180100.0170,090100.0+47,879
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 Cockburn was ages Parents and homebuilders (35 to 49), which accounted for 22.6% of the total persons.

The largest increase in persons between 2021 and 2030 is forecast to be in ages Seniors (70 to 84), which is expected to increase by 5,026 and account for 9.6% of the total persons.

The largest 5 year age group in 2030 is Parents and homebuilders (35 to 49) years, with a total of 31,818 persons.

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