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Griffith CityPopulation forecast

Griffith (East) - Collina

Population and age structure

Between 2016 and 2026, the age structure forecasts for Griffith (East) - Collina indicate a 22.3% increase in population under working age, a 23.3% increase in population of retirement age, and a 11.6% 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 Griffith (East) - Collina 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
Griffith (East) - Collina - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 44917.36548.47398.3+248
5 to 94987.46278.17057.9+206
10 to 144807.25166.66287.0+148
15 to 194296.44525.85446.1+116
20 to 243395.14565.95075.7+169
25 to 295077.64966.45566.2+48
30 to 344977.45106.65986.7+101
35 to 394546.85366.95956.7+141
40 to 444216.34926.35506.2+129
45 to 494336.54555.95386.0+105
50 to 543405.14295.55015.6+161
55 to 593615.44345.64695.3+108
60 to 643585.33614.74404.9+82
65 to 693385.03594.64294.8+91
70 to 742794.23354.33594.0+80
75 to 792403.62923.83263.6+86
80 to 841181.82072.72552.9+137
85 and over1151.71511.91912.1+76
Total persons6,696100.07,760100.08,928100.0+2,232
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), November 2017.

Key findings

In 2016, the dominant age structure for persons in Griffith (East) - Collina was ages 25 to 29, which accounted for 7.6% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 0 to 4, which is expected to increase by 163 and account for 8.4% of the total persons.

The largest 5 year age group in 2026 is 0 to 4 years, with a total of 654 persons.

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