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Bass Coast ShirePopulation forecast

Waterline (Westernport Townships)

Population and age structure

Between 2016 and 2026, the age structure forecasts for Waterline (Westernport Townships) indicate a 30.2% increase in population under working age, a 21.6% increase in population of retirement age, and a 12.3% 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 Waterline (Westernport Townships) 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
Waterline (Westernport Townships) - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 42205.52455.22935.2+73
5 to 92115.32816.03315.9+120
10 to 141744.42625.63125.6+139
15 to 191634.11934.12474.4+83
20 to 241704.31362.91843.3+14
25 to 291634.11653.51983.6+36
30 to 341694.22134.52444.4+75
35 to 391443.62535.43005.4+156
40 to 442406.02896.23546.4+114
45 to 492556.42846.03806.8+124
50 to 543218.03106.63786.8+57
55 to 592967.43337.13937.0+97
60 to 643959.94269.14728.5+77
65 to 6943010.83928.44678.4+37
70 to 743328.33537.54047.2+72
75 to 791985.02986.32955.3+97
80 to 84761.91803.82013.6+126
85 and over401.0851.81272.3+87
Total persons3,997100.04,698100.05,579100.0+1,583
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), November 2017.

Key findings

In 2016, the dominant age structure for persons in Waterline (Westernport Townships) was ages 65 to 69, which accounted for 10.8% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 35 to 39, which is expected to increase by 109 and account for 5.4% of the total persons.

The largest 5 year age group in 2026 is 60 to 64 years, with a total of 426 persons.

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