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Campbelltown City CouncilPopulation forecast


Population and age structure

Between 2016 and 2031, the age structure forecasts for Rostrevor indicate a 42.4% increase in population under working age, a 7.9% increase in population of retirement age, and a 38.0% 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 Rostrevor 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
Rostrevor - Total persons201620312041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 44566.05645.76235.4+167
5 to 94335.76486.57266.3+293
10 to 144526.06987.07966.9+344
15 to 194926.57257.38037.0+311
20 to 244335.75635.66485.7+215
25 to 294145.55285.36015.2+187
30 to 343875.15745.86375.6+250
35 to 394235.66676.77326.4+309
40 to 444886.47397.48327.3+344
45 to 495367.17397.48667.6+330
50 to 545327.06496.57966.9+264
55 to 594185.55025.06375.6+219
60 to 642973.94124.15024.4+205
65 to 693594.74244.34724.1+113
70 to 744095.44014.04654.1+56
75 to 794305.73503.54584.0+28
80 to 843044.03523.54153.6+111
85 and over3114.14294.34443.9+133
Total persons7,574100.09,964100.011,450100.0+3,876
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, October 2018.

Key findings

In 2016, the dominant age structure for persons in Rostrevor was ages 45 to 49, which accounted for 7.1% of the total persons.

The largest increase in persons between 2016 and 2031 is forecast to be in ages 40 to 44, which is expected to increase by 251 and account for 7.4% of the total persons.

The largest 5 year age group in 2031 is 40 to 44 years, with a total of 739 persons.

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