City of Tea Tree GullyPopulation forecast
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This forecast has been updated with 2016 Census dwelling counts and the 2016 Estimated Resident Population. More information can be found here.

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City of Tea Tree Gully

Population and age structure

Between 2016 and 2026, the age structure forecasts for the City of Tea Tree Gully indicate a 4.2% decrease in population under working age, a 28.9% increase in population of retirement age, and a 4.7% decrease 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 Tea Tree Gully 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 Tea Tree Gully - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 4 5,8405.95,4235.45,4425.3-398
5 to 9 6,0206.05,7245.75,7255.5-295
10 to 14 5,9055.95,8695.85,8745.7-31
15 to 19 6,2646.36,0066.06,0285.8-235
20 to 24 6,2136.25,8185.85,9505.8-264
25 to 29 6,0786.15,8985.86,0005.8-78
30 to 34 6,5056.55,9875.96,0755.9-429
35 to 39 6,3866.46,2176.26,3416.1-45
40 to 44 6,5776.66,5786.56,6126.4+35
45 to 49 7,0037.06,3666.36,4716.3-533
50 to 54 6,7646.86,2296.26,2816.1-483
55 to 59 6,4996.56,2226.25,9135.7-587
60 to 64 5,9636.05,9215.95,6815.5-282
65 to 69 5,8925.95,7135.75,6595.5-233
70 to 74 4,4384.55,2585.25,4265.3+988
75 to 79 3,0913.14,8674.85,0344.9+1,943
80 to 84 2,0422.13,4443.44,2334.1+2,191
85 and over2,0402.13,2863.34,4834.3+2,442
Total persons99,521100.0100,825100.0103,227100.0+3,706

Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, November 2017.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2036: 4,483 Forecast persons aged 80-84,  2036: 4,233 Forecast persons aged 75-79,  2036: 5,034 Forecast persons aged 70-74,  2036: 5,426 Forecast persons aged 65-69,  2036: 5,659 Forecast persons aged 60-64,  2036: 5,681 Forecast persons aged 55-59,  2036: 5,913 Forecast persons aged 50-54,  2036: 6,281 Forecast persons aged 45-49,  2036: 6,471 Forecast persons aged 40-44,  2036: 6,612 Forecast persons aged 35-39,  2036: 6,341 Forecast persons aged 30-34,  2036: 6,075 Forecast persons aged 25-29,  2036: 6,000 Forecast persons aged 20-24,  2036: 5,950 Forecast persons aged 15-19,  2036: 6,028 Forecast persons aged 10-14,  2036: 5,874 Forecast persons aged 5-9,  2036: 5,725 Forecast persons aged 0-4,  2036: 5,442 Forecast persons aged 85+,  2026: 3,286 Forecast persons aged 80-84,  2026: 3,444 Forecast persons aged 75-79,  2026: 4,867 Forecast persons aged 70-74,  2026: 5,258 Forecast persons aged 65-69,  2026: 5,713 Forecast persons aged 60-64,  2026: 5,921 Forecast persons aged 55-59,  2026: 6,222 Forecast persons aged 50-54,  2026: 6,229 Forecast persons aged 45-49,  2026: 6,366 Forecast persons aged 40-44,  2026: 6,578 Forecast persons aged 35-39,  2026: 6,217 Forecast persons aged 30-34,  2026: 5,987 Forecast persons aged 25-29,  2026: 5,898 Forecast persons aged 20-24,  2026: 5,818 Forecast persons aged 15-19,  2026: 6,006 Forecast persons aged 10-14,  2026: 5,869 Forecast persons aged 5-9,  2026: 5,724 Forecast persons aged 0-4,  2026: 5,423 Forecast persons aged 85+,  2016: 2,040 Forecast persons aged 80-84,  2016: 2,042 Forecast persons aged 75-79,  2016: 3,091 Forecast persons aged 70-74,  2016: 4,438 Forecast persons aged 65-69,  2016: 5,892 Forecast persons aged 60-64,  2016: 5,963 Forecast persons aged 55-59,  2016: 6,499 Forecast persons aged 50-54,  2016: 6,764 Forecast persons aged 45-49,  2016: 7,003 Forecast persons aged 40-44,  2016: 6,577 Forecast persons aged 35-39,  2016: 6,386 Forecast persons aged 30-34,  2016: 6,505 Forecast persons aged 25-29,  2016: 6,078 Forecast persons aged 20-24,  2016: 6,213 Forecast persons aged 15-19,  2016: 6,264 Forecast persons aged 10-14,  2016: 5,905 Forecast persons aged 5-9,  2016: 6,020 Forecast persons aged 0-4,  2016: 5,840
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, November 2017.
Forecast change in age structure - 5 year age groups
Forecast change in age structure - 5 year age groups Forecast persons aged 85+,  2026 to 2036: 1,197 Forecast persons aged 80-84,  2026 to 2036: 789 Forecast persons aged 75-79,  2026 to 2036: 168 Forecast persons aged 70-74,  2026 to 2036: 168 Forecast persons aged 65-69,  2026 to 2036: -54 Forecast persons aged 60-64,  2026 to 2036: -240 Forecast persons aged 55-59,  2026 to 2036: -309 Forecast persons aged 50-54,  2026 to 2036: 52 Forecast persons aged 45-49,  2026 to 2036: 105 Forecast persons aged 40-44,  2026 to 2036: 34 Forecast persons aged 35-39,  2026 to 2036: 124 Forecast persons aged 30-34,  2026 to 2036: 88 Forecast persons aged 25-29,  2026 to 2036: 102 Forecast persons aged 20-24,  2026 to 2036: 132 Forecast persons aged 15-19,  2026 to 2036: 22 Forecast persons aged 10-14,  2026 to 2036: 5 Forecast persons aged 5-9,  2026 to 2036: 2 Forecast persons aged 0-4,  2026 to 2036: 19 Forecast persons aged 85+,  2016 to 2026: 1,246 Forecast persons aged 80-84,  2016 to 2026: 1,402 Forecast persons aged 75-79,  2016 to 2026: 1,776 Forecast persons aged 70-74,  2016 to 2026: 820 Forecast persons aged 65-69,  2016 to 2026: -179 Forecast persons aged 60-64,  2016 to 2026: -42 Forecast persons aged 55-59,  2016 to 2026: -278 Forecast persons aged 50-54,  2016 to 2026: -535 Forecast persons aged 45-49,  2016 to 2026: -638 Forecast persons aged 40-44,  2016 to 2026: 1 Forecast persons aged 35-39,  2016 to 2026: -168 Forecast persons aged 30-34,  2016 to 2026: -517 Forecast persons aged 25-29,  2016 to 2026: -180 Forecast persons aged 20-24,  2016 to 2026: -396 Forecast persons aged 15-19,  2016 to 2026: -258 Forecast persons aged 10-14,  2016 to 2026: -37 Forecast persons aged 5-9,  2016 to 2026: -297 Forecast persons aged 0-4,  2016 to 2026: -417
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 the City of Tea Tree Gully was ages 45 to 49 , which accounted for 7.0% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 75 to 79 , which is expected to increase by 1,776 and account for 4.8% of the total persons.

The largest 5 year age group in 2026 is 40 to 44 years, with a total of 6,578 persons.

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