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Between 2013 and 2028, the age structure forecasts for Seatoun - Karaka Bays - Breaker Bay indicate a 20.7% decrease in population under working age, a 62.3% increase in population of retirement age, and a 3.5% 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 Seatoun - Karaka Bays - Breaker Bay 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|
|Seatoun - Karaka Bays - Breaker Bay - Total persons||2013||2028||2043||Change between 2013 and 2043|
|Age group (years)||Number||%||Number||%||Number||%||Number|
|0 to 4||255||6.7||208||5.2||214||5.2||-41|
|5 to 9||289||7.6||251||6.3||260||6.4||-29|
|10 to 14||314||8.3||221||5.5||224||5.5||-90|
|15 to 19||251||6.6||196||4.9||162||4.0||-89|
|20 to 24||140||3.7||131||3.3||107||2.6||-33|
|25 to 29||110||2.9||167||4.2||129||3.2||+19|
|30 to 34||150||3.9||200||5.0||201||4.9||+51|
|35 to 39||219||5.8||278||6.9||295||7.2||+75|
|40 to 44||325||8.5||336||8.4||359||8.8||+34|
|45 to 49||373||9.8||356||8.9||371||9.1||-2|
|50 to 54||399||10.5||311||7.7||328||8.0||-71|
|55 to 59||275||7.2||291||7.2||290||7.1||+15|
|60 to 64||215||5.7||277||6.9||260||6.4||+45|
|65 to 69||169||4.5||266||6.6||225||5.5||+56|
|70 to 74||100||2.6||193||4.8||204||5.0||+104|
|75 to 79||94||2.5||144||3.6||184||4.5||+90|
|80 to 84||54||1.4||104||2.6||154||3.8||+100|
|85 and over||71||1.9||85||2.1||118||2.9||+47|
In 2013, the dominant age structure for persons in Seatoun - Karaka Bays - Breaker Bay was ages 50 to 54, which accounted for 10.5% of the total persons.
The largest increase in persons between 2013 and 2028 is forecast to be in ages 65 to 69, which is expected to increase by 97 and account for 6.6% of the total persons.
The largest 5 year age group in 2028 is 45 to 49 years, with a total of 356 persons.
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