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City of MaribyrnongPopulation forecast

West Precinct

Population and age structure

Between 2016 and 2026, the age structure forecasts for West Precinct indicate a 18.1% increase in population under working age, a 52.9% increase in population of retirement age, and a 15.8% 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 West Precinct 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
West Precinct - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 47097.28377.19776.8+268
5 to 95805.96945.98175.6+237
10 to 145535.66445.57735.3+220
15 to 196186.37636.59306.4+312
20 to 241,00810.31,0889.31,3129.1+304
25 to 291,03410.61,1639.91,4069.7+372
30 to 349139.31,0739.11,2628.7+349
35 to 397007.28787.51,0417.2+341
40 to 446006.17386.38756.0+275
45 to 495515.66335.47915.5+240
50 to 545385.56035.17455.2+207
55 to 595205.35644.86984.8+178
60 to 644784.95564.76584.5+180
65 to 693803.95274.56154.3+235
70 to 742362.44353.75443.8+308
75 to 791421.52862.44323.0+290
80 to 841311.31521.33372.3+206
85 and over991.01110.92561.8+157
Total persons9,790100.011,748100.014,467100.0+4,677
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, June 2018.

Key findings

In 2016, the dominant age structure for persons in West Precinct was ages 25 to 29, which accounted for 10.6% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 70 to 74, which is expected to increase by 199 and account for 3.7% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 1,163 persons.

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