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Griffith CityPopulation forecast

Griffith City

Population and age structure

Between 2021 and 2031, the age structure forecasts for Griffith City indicate a 13.8% increase in population under working age, a 47.7% increase in population of retirement age, and a 4.2% 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 Griffith City 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 City - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 41,7646.51,9836.82,0176.4+253
5 to 91,8416.82,1177.22,1486.8+307
10 to 141,7606.52,0046.82,1246.8+365
15 to 191,7376.41,6565.71,7775.7+40
20 to 241,5825.81,4635.01,4654.7-116
25 to 292,0477.51,5665.31,5034.8-544
30 to 342,0837.71,8276.21,8135.8-270
35 to 391,7936.62,1007.22,0236.4+230
40 to 441,6276.01,8856.41,8245.8+197
45 to 491,6926.21,6085.51,7395.5+47
50 to 541,7616.51,3914.81,6625.3-100
55 to 591,6416.01,5305.21,6245.2-17
60 to 641,5205.61,7285.91,5565.0+36
65 to 691,2964.81,6215.51,4244.5+128
70 to 741,0113.71,5455.31,5444.9+533
75 to 797412.71,2474.31,5534.9+812
80 to 846652.41,0103.41,5534.9+888
85 and over6382.31,0043.42,0706.6+1,432
Total persons27,199100.029,284100.031,420100.0+4,221
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), February 2024.

Key findings

In 2021, the dominant age structure for persons in Griffith City was ages 30 to 34, which accounted for 7.7% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 70 to 74, which is expected to increase by 534 and account for 5.3% of the total persons.

The largest 5 year age group in 2031 is 5 to 9 years, with a total of 2,117 persons.

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