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Hornsby Shire CouncilPopulation forecast

Hornsby Shire Council

Population and age structure

Between 2016 and 2026, the age structure forecasts for Hornsby Shire Council indicate a 8.5% increase in males under working age, a 25.7% increase in males of retirement age, and a 9.8% increase in males 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 Hornsby Shire Council 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
Hornsby Shire Council - Total males201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 44,7566.65,0866.35,4076.2+652
5 to 95,3307.35,5466.85,7626.6+432
10 to 144,9756.95,7097.05,7886.6+813
15 to 195,1317.15,6366.95,7396.6+609
20 to 244,6696.44,8886.05,4086.2+739
25 to 293,8345.34,4695.54,9885.7+1,153
30 to 344,1305.74,9546.15,3946.2+1,263
35 to 394,7616.65,5726.96,0786.9+1,317
40 to 445,5377.66,0527.56,5357.5+998
45 to 495,2507.25,8917.36,3687.3+1,118
50 to 545,1007.05,4456.75,7796.6+679
55 to 594,6296.44,5655.64,9685.7+338
60 to 643,8625.34,0355.04,3184.9+457
65 to 693,3664.63,5654.43,6754.2+309
70 to 742,6033.63,0833.83,3403.8+737
75 to 791,9772.72,6983.33,0313.5+1,053
80 to 841,3051.81,9762.42,4622.8+1,157
85 and over1,3681.92,0212.52,5052.9+1,137
Total persons72,582100.081,191100.087,544100.0+14,962
Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), February 2019.

Key findings

In 2016, the dominant age structure for males in Hornsby Shire Council was ages 40 to 44, which accounted for 7.6% of the total males.

The largest increase in males between 2016 and 2026 is forecast to be in ages 30 to 34, which is expected to increase by 823 and account for 6.1% of the total males.

The largest male 5 year age group in 2026 is 40 to 44 years, with a total of 6,052 males.

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