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Liverpool City CouncilPopulation forecast

Western area - Greendale, Luddenham (part), Silverdale (part) and Wallacia (part)

Population and age structure

Between 2021 and 2031, the age structure forecasts for Western area - Greendale, Luddenham (part), Silverdale (part) and Wallacia (part) indicate a 47.3% increase in population under working age, a 0.3% decrease in population of retirement age, and a 23.5% 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 Liverpool City Council 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
Western area - Greendale, Luddenham (part), Silverdale (part) and Wallacia (part) - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 42814.35717.12,1847.3+1,902
5 to 93946.05807.22,0626.9+1,669
10 to 144707.25366.71,8726.2+1,401
15 to 195318.15036.31,6925.6+1,161
20 to 244637.14836.01,6895.6+1,226
25 to 293545.45236.51,9396.4+1,585
30 to 343094.75927.42,3657.9+2,056
35 to 393094.76958.72,7769.2+2,467
40 to 443936.06728.42,5148.4+2,120
45 to 494697.25566.92,2217.4+1,751
50 to 545137.94495.61,9836.6+1,470
55 to 594436.83904.91,6675.5+1,223
60 to 644106.33163.91,2354.1+826
65 to 693695.72763.48953.0+526
70 to 743695.72883.67972.6+428
75 to 792143.32633.37932.6+579
80 to 841342.11982.57472.5+613
85 and over891.41461.86672.2+578
Total persons6,514100.08,039100.030,097100.0+23,583
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), May 2024.

Key findings

In 2021, the dominant age structure for persons in Western area - Greendale, Luddenham (part), Silverdale (part) and Wallacia (part) was ages 15 to 19, which accounted for 8.1% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 35 to 39, which is expected to increase by 386 and account for 8.7% of the total persons.

The largest 5 year age group in 2031 is 35 to 39 years, with a total of 695 persons.

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