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City of MaribyrnongPopulation forecast

Braybrook

Population and age structure

Between 2021 and 2036, the age structure forecasts for Braybrook indicate a 32.0% increase in population under working age, a 71.6% increase in population of retirement age, and a 23.8% 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 City of Maribyrnong 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
Braybrook - Total persons202120362051Change between 2021 and 2051
Age group (years)Number%Number%Number%Number
0 to 45565.78886.99986.7+442
5 to 94965.06084.76994.7+203
10 to 144844.95314.16164.2+132
15 to 195755.96204.87284.9+153
20 to 247687.81,0798.41,1737.9+405
25 to 291,21612.41,46511.41,57910.7+363
30 to 341,03310.51,34410.51,4619.9+428
35 to 398048.21,0448.11,1687.9+364
40 to 445986.18056.39166.2+318
45 to 495395.56705.27885.3+249
50 to 545365.56134.87234.9+187
55 to 594935.05724.56844.6+191
60 to 645625.76074.77074.8+145
65 to 694634.75774.56674.5+204
70 to 743333.44813.75874.0+254
75 to 791531.64093.25073.4+354
80 to 841211.22902.34092.8+288
85 and over981.02471.93902.6+292
Total persons9,828100.012,854100.014,801100.0+4,973
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), January 2023.

Key findings

In 2021, the dominant age structure for persons in Braybrook was ages 25 to 29, which accounted for 12.4% of the total persons.

The largest increase in persons between 2021 and 2036 is forecast to be in ages 0 to 4, which is expected to increase by 332 and account for 6.9% of the total persons.

The largest 5 year age group in 2036 is 25 to 29 years, with a total of 1,465 persons.

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