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Tweed Shire CouncilPopulation forecast

Cobaki - Piggabeen area

Population and age structure

Between 2016 and 2026, the age structure forecasts for Cobaki - Piggabeen area indicate a 13.0% decrease in population under working age, a 12.4% increase in population of retirement age, and a 13.4% decrease 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 Cobaki - Piggabeen area 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
Cobaki - Piggabeen area - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 4457.7336.37628.9+717
5 to 9335.7346.48059.4+772
10 to 14376.4336.37118.3+673
15 to 19447.5305.64835.6+439
20 to 24335.7264.93884.5+355
25 to 29254.2264.84695.5+444
30 to 34284.7275.05856.8+558
35 to 39294.9295.56617.7+633
40 to 44457.7336.37138.3+668
45 to 49508.5356.56587.7+607
50 to 54498.4427.95596.5+510
55 to 59427.2448.35136.0+471
60 to 64376.4397.43894.5+351
65 to 69386.5346.43564.2+318
70 to 74193.2264.92302.7+211
75 to 79213.5224.21441.7+123
80 to 8491.5112.01041.2+95
85 and over20.371.3440.5+42
Total persons588100.0530100.08,574100.0+7,986
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), March 2020.

Key findings

In 2016, the dominant age structure for persons in Cobaki - Piggabeen area was ages 45 to 49, which accounted for 8.5% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 70 to 74, which is expected to increase by 7 and account for 4.9% of the total persons.

The largest 5 year age group in 2026 is 55 to 59 years, with a total of 44 persons.

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