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City of CaseyPopulation forecast

Fountain Gate - Narre Warren

Population and age structure

Between 2021 and 2036, the age structure forecasts for Fountain Gate - Narre Warren indicate a 15.1% increase in males under working age, a 46.0% increase in males of retirement age, and a 13.0% increase in males 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 Casey 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
Fountain Gate - Narre Warren - Total males202120362046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 46,2806.47,8236.87,8276.6+1,547
5 to 96,8987.07,8656.87,8786.6+980
10 to 147,3057.57,8836.97,9946.7+689
15 to 197,0027.17,7716.88,1316.8+1,129
20 to 247,4497.68,0697.08,2296.9+780
25 to 296,9827.17,8856.97,8596.6+877
30 to 346,6486.88,0777.08,0476.8+1,399
35 to 397,0397.28,5297.48,4997.2+1,460
40 to 446,5746.78,2037.18,2196.9+1,645
45 to 496,4786.67,5076.57,6786.5+1,200
50 to 546,3906.56,8716.07,1956.1+805
55 to 596,0426.26,1025.36,5805.5+538
60 to 645,2915.45,4414.75,7484.8+457
65 to 694,0174.14,6904.14,7964.0+779
70 to 743,0493.14,0263.54,2073.5+1,158
75 to 792,1212.23,4183.03,7863.2+1,665
80 to 841,3701.42,5192.23,1412.6+1,771
85 and over1,0161.02,2391.93,0252.5+2,009
Total persons97,951100.0114,916100.0118,839100.0+20,888
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), October 2023.

Key findings

In 2021, the dominant age structure for males in Fountain Gate - Narre Warren was ages 20 to 24, which accounted for 7.6% of the total males.

The largest increase in males between 2021 and 2036 is forecast to be in ages 40 to 44, which is expected to increase by 1,629 and account for 7.1% of the total males.

The largest male 5 year age group in 2036 is 35 to 39 years, with a total of 8,529 males.

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