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City of MonashPopulation forecast

City of Monash

Population and age structure

Between 2021 and 2031, the age structure forecasts for City of Monash indicate a 18.0% increase in population under working age, a 3.2% increase in population of retirement age, and a 22.9% 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 the City of Monash 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
City of Monash - Total persons202120312041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 48,7874.612,0625.312,8855.1+4,098
5 to 910,5885.511,9265.212,9545.2+2,366
10 to 1410,9735.711,8085.213,3265.3+2,352
15 to 1911,3735.914,7936.515,7416.3+4,368
20 to 2416,6928.620,1758.821,3388.5+4,646
25 to 2915,9928.319,7228.621,1758.5+5,182
30 to 3414,0287.318,4548.119,6417.8+5,612
35 to 3913,7507.117,7547.818,9457.6+5,196
40 to 4412,4496.416,6577.318,1687.3+5,719
45 to 4912,1436.315,0786.616,8856.7+4,743
50 to 5411,7746.112,7175.615,0416.0+3,267
55 to 5910,6075.511,5265.013,3075.3+2,701
60 to 649,4154.910,7064.711,4264.6+2,012
65 to 698,3964.39,4094.110,1644.1+1,768
70 to 747,7514.08,0813.59,1163.6+1,365
75 to 796,5773.46,6642.97,5973.0+1,020
80 to 845,5582.95,3972.45,9672.4+409
85 and over6,2113.26,0342.66,5432.6+332
Total persons193,062100.0228,963100.0250,219100.0+57,157
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), November 2022.

Key findings

In 2021, the dominant age structure for persons in City of Monash was ages 20 to 24, which accounted for 8.6% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 30 to 34, which is expected to increase by 4,426 and account for 8.1% of the total persons.

The largest 5 year age group in 2031 is 20 to 24 years, with a total of 20,175 persons.

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