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Between 2013 and 2023, the age structure forecasts for Riverdale indicate a 33.2% increase in females under working age, a 59.2% increase in females of retirement age, and a 30.1% increase 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 Riverdale 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|
|Riverdale - Total females||2013||2023||2043||Change between 2013 and 2043|
|Age group (years)||Number||%||Number||%||Number||%||Number|
|0 to 4||74||5.8||94||5.3||117||5.0||+43|
|5 to 9||65||5.1||94||5.3||119||5.1||+53|
|10 to 14||75||5.9||97||5.5||122||5.2||+47|
|15 to 19||86||6.7||84||4.7||116||4.9||+30|
|20 to 24||48||3.7||71||4.0||95||4.1||+48|
|25 to 29||43||3.3||74||4.2||85||3.6||+43|
|30 to 34||69||5.4||81||4.5||97||4.1||+28|
|35 to 39||64||5.0||100||5.6||121||5.1||+57|
|40 to 44||95||7.4||107||6.0||130||5.5||+34|
|45 to 49||77||6.0||96||5.4||135||5.7||+58|
|50 to 54||87||6.8||106||6.0||135||5.7||+48|
|55 to 59||65||5.1||99||5.6||133||5.6||+68|
|60 to 64||76||5.9||106||6.0||136||5.8||+60|
|65 to 69||73||5.7||93||5.2||136||5.8||+63|
|70 to 74||84||6.5||101||5.7||148||6.3||+64|
|75 to 79||73||5.7||113||6.3||157||6.7||+84|
|80 to 84||71||5.5||119||6.7||167||7.1||+96|
|85 and over||57||4.5||144||8.1||205||8.7||+148|
In 2013, the dominant age structure for females in Riverdale was ages 40 to 44, which accounted for 7.4% of the total females.
The largest increase in females between 2013 and 2023 is forecast to be in ages 85 and over, which is expected to increase by 87 and account for 8.1% of the total females.
The largest female 5 year age group in 2023 is 85 and over years, with a total of 144 females.
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