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Baw Baw ShirePopulation forecast


Population and age structure

Between 2016 and 2026, the age structure forecasts for Drouin indicate a 44.5% increase in population under working age, a 45.5% increase in population of retirement age, and a 38.9% 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 Drouin 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
Drouin - Total persons201620262041Change between 2016 and 2041
Age group (years)Number%Number%Number%Number
0 to 49327.31,2757.11,9367.2+1,004
5 to 99607.61,3227.42,0027.4+1,042
10 to 147556.01,2296.91,8656.9+1,110
15 to 197465.91,1046.21,6806.2+935
20 to 247025.59935.51,5295.7+827
25 to 298196.51,1096.21,6616.1+842
30 to 348226.51,1356.31,7166.4+894
35 to 396735.31,0806.01,6386.1+966
40 to 447065.61,0405.81,5805.8+875
45 to 497676.09755.41,5325.7+765
50 to 547535.99695.41,4745.5+722
55 to 597906.21,0105.61,4605.4+670
60 to 647115.69885.51,4085.2+698
65 to 697586.01,0115.61,4215.3+663
70 to 746295.08985.01,3565.0+727
75 to 795024.07834.41,1624.3+660
80 to 843252.65222.98573.2+531
85 and over3312.64882.77452.8+414
Total persons12,680100.017,930100.027,023100.0+14,343
Population and household forecasts, 2016 to 2041, prepared by .id , the population experts, July 2019.

Key findings

In 2016, the dominant age structure for persons in Drouin was ages 5 to 9, which accounted for 7.6% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 10 to 14, which is expected to increase by 475 and account for 6.9% of the total persons.

The largest 5 year age group in 2026 is 5 to 9 years, with a total of 1,322 persons.

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