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City of NewcastlePopulation forecast

City of Newcastle

Population and age structure

Between 2021 and 2036, the age structure forecasts for City of Newcastle indicate a 7.7% increase in population under working age, a 34.7% increase in population of retirement age, and a 9.1% 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 the City of Newcastle 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
City of Newcastle - Total persons202120362046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 48,9525.39,9385.210,4345.1+1,482
5 to 99,3975.59,9805.210,4875.1+1,090
10 to 149,3105.59,8645.110,0544.9+744
15 to 199,9075.810,3375.410,8945.3+987
20 to 2414,7548.714,1277.414,2236.9-531
25 to 2914,3058.415,6918.215,2067.4+901
30 to 3413,1877.813,7367.214,9117.3+1,724
35 to 3911,6656.913,1566.914,4197.0+2,754
40 to 4410,1636.012,7106.613,1956.4+3,032
45 to 4910,4866.212,2786.412,8686.3+2,382
50 to 5410,1396.011,7436.112,8376.2+2,697
55 to 599,8665.810,2535.312,3776.0+2,511
60 to 649,3745.510,2295.311,2725.5+1,898
65 to 698,0104.79,1384.89,3874.6+1,376
70 to 746,8944.18,4274.48,9894.4+2,095
75 to 795,0853.07,7254.08,0683.9+2,983
80 to 843,6452.26,0223.17,0623.4+3,417
85 and over4,3062.56,3203.38,7634.3+4,456
Total persons169,448100.0191,673100.0205,445100.0+35,998
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), March 2024.

Key findings

In 2021, the dominant age structure for persons in City of Newcastle was ages 20 to 24, which accounted for 8.7% of the total persons.

The largest increase in persons between 2021 and 2036 is forecast to be in ages 75 to 79, which is expected to increase by 2,640 and account for 4.0% of the total persons.

The largest 5 year age group in 2036 is 25 to 29 years, with a total of 15,691 persons.

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