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Bayside CouncilPopulation forecast

Wolli Creek - Bonar Street Precinct

Population and age structure

Between 2016 and 2026, the age structure forecasts for Wolli Creek - Bonar Street Precinct indicate a 148.8% increase in population under working age, a 104.1% increase in population of retirement age, and a 96.7% 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 Wolli Creek - Bonar Street 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
Wolli Creek - Bonar Street Precinct - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 45306.01,2547.01,2556.7+725
5 to 91561.85222.96663.5+510
10 to 14840.91400.82671.4+184
15 to 192753.14442.54852.6+210
20 to 241,31214.82,35613.22,12011.3+808
25 to 292,46127.74,13623.13,65519.5+1,194
30 to 341,78020.13,71320.83,39518.1+1,615
35 to 398229.32,30112.92,39412.7+1,572
40 to 444014.51,0836.11,5238.1+1,121
45 to 492753.15032.81,0085.4+733
50 to 542022.33181.86343.4+432
55 to 592022.33712.14652.5+263
60 to 641591.82901.63231.7+164
65 to 691161.31320.71941.0+78
70 to 74530.61170.71590.8+106
75 to 79210.21130.61150.6+94
80 to 8490.1470.3700.4+61
85 and over200.2380.2500.3+30
Total persons8,877100.017,880100.018,776100.0+9,899
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, November 2017.

Key findings

In 2016, the dominant age structure for persons in Wolli Creek - Bonar Street Precinct was ages 25 to 29, which accounted for 27.7% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 30 to 34, which is expected to increase by 1,934 and account for 20.8% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 4,136 persons.

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