City of BrimbankPopulation forecast
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City of Brimbank

Population and age structure

Between 2011 and 2026, the age structure forecasts for the City of Brimbank indicate a 10.6% increase in population under working age, a 55.0% increase in population of retirement age, and a 3.3% 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 the City of Brimbank 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 Brimbank - Total persons201120262041Change between 2011 and 2041
Age group (years)Number%Number%Number%Number
0 to 4 12,3076.414,0076.614,3706.5+2,063
5 to 9 11,6036.113,1076.213,3426.0+1,739
10 to 14 11,7806.212,3755.812,8755.8+1,095
15 to 19 13,1126.813,2326.314,0406.3+928
20 to 24 15,8288.316,2847.717,0797.7+1,251
25 to 29 16,9288.817,6948.418,1428.1+1,214
30 to 34 14,4737.616,3197.716,7317.5+2,258
35 to 39 13,7017.214,9697.115,4306.9+1,729
40 to 44 13,4487.013,9006.614,4666.5+1,018
45 to 49 12,6556.612,5976.013,5776.1+922
50 to 54 12,4996.511,9335.612,7415.7+242
55 to 59 11,4016.011,2765.311,5925.2+191
60 to 64 10,0555.310,3544.910,2204.6+165
65 to 69 7,2913.89,6174.59,3164.2+2,025
70 to 74 5,4412.88,5584.08,6963.9+3,255
75 to 79 4,0192.16,9963.37,8393.5+3,820
80 to 84 2,8031.54,5122.16,4232.9+3,620
85 and over2,1521.13,9691.95,8672.6+3,715
Total persons191,496100.0211,698100.0222,747100.0+31,251

Population and household forecasts, 2011 to 2041, prepared by .id , the population experts, July 2016.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2041: 5,867 Forecast persons aged 80-84,  2041: 6,423 Forecast persons aged 75-79,  2041: 7,839 Forecast persons aged 70-74,  2041: 8,696 Forecast persons aged 65-69,  2041: 9,316 Forecast persons aged 60-64,  2041: 10,220 Forecast persons aged 55-59,  2041: 11,592 Forecast persons aged 50-54,  2041: 12,741 Forecast persons aged 45-49,  2041: 13,577 Forecast persons aged 40-44,  2041: 14,466 Forecast persons aged 35-39,  2041: 15,430 Forecast persons aged 30-34,  2041: 16,731 Forecast persons aged 25-29,  2041: 18,142 Forecast persons aged 20-24,  2041: 17,079 Forecast persons aged 15-19,  2041: 14,040 Forecast persons aged 10-14,  2041: 12,875 Forecast persons aged 5-9,  2041: 13,342 Forecast persons aged 0-4,  2041: 14,370 Forecast persons aged 85+,  2026: 3,969 Forecast persons aged 80-84,  2026: 4,512 Forecast persons aged 75-79,  2026: 6,996 Forecast persons aged 70-74,  2026: 8,558 Forecast persons aged 65-69,  2026: 9,617 Forecast persons aged 60-64,  2026: 10,354 Forecast persons aged 55-59,  2026: 11,276 Forecast persons aged 50-54,  2026: 11,933 Forecast persons aged 45-49,  2026: 12,597 Forecast persons aged 40-44,  2026: 13,900 Forecast persons aged 35-39,  2026: 14,969 Forecast persons aged 30-34,  2026: 16,319 Forecast persons aged 25-29,  2026: 17,694 Forecast persons aged 20-24,  2026: 16,284 Forecast persons aged 15-19,  2026: 13,232 Forecast persons aged 10-14,  2026: 12,375 Forecast persons aged 5-9,  2026: 13,107 Forecast persons aged 0-4,  2026: 14,007 Forecast persons aged 85+,  2011: 2,152 Forecast persons aged 80-84,  2011: 2,803 Forecast persons aged 75-79,  2011: 4,019 Forecast persons aged 70-74,  2011: 5,441 Forecast persons aged 65-69,  2011: 7,291 Forecast persons aged 60-64,  2011: 10,055 Forecast persons aged 55-59,  2011: 11,401 Forecast persons aged 50-54,  2011: 12,499 Forecast persons aged 45-49,  2011: 12,655 Forecast persons aged 40-44,  2011: 13,448 Forecast persons aged 35-39,  2011: 13,701 Forecast persons aged 30-34,  2011: 14,473 Forecast persons aged 25-29,  2011: 16,928 Forecast persons aged 20-24,  2011: 15,828 Forecast persons aged 15-19,  2011: 13,112 Forecast persons aged 10-14,  2011: 11,780 Forecast persons aged 5-9,  2011: 11,603 Forecast persons aged 0-4,  2011: 12,307
Population and household forecasts, 2011 to 2041, prepared by .id the population experts, July 2016.
Forecast change in age structure - 5 year age groups
Forecast change in age structure - 5 year age groups Forecast persons aged 85+,  2026 to 2041: 1,898 Forecast persons aged 80-84,  2026 to 2041: 1,911 Forecast persons aged 75-79,  2026 to 2041: 843 Forecast persons aged 70-74,  2026 to 2041: 138 Forecast persons aged 65-69,  2026 to 2041: -301 Forecast persons aged 60-64,  2026 to 2041: -134 Forecast persons aged 55-59,  2026 to 2041: 316 Forecast persons aged 50-54,  2026 to 2041: 808 Forecast persons aged 45-49,  2026 to 2041: 980 Forecast persons aged 40-44,  2026 to 2041: 566 Forecast persons aged 35-39,  2026 to 2041: 461 Forecast persons aged 30-34,  2026 to 2041: 412 Forecast persons aged 25-29,  2026 to 2041: 448 Forecast persons aged 20-24,  2026 to 2041: 795 Forecast persons aged 15-19,  2026 to 2041: 808 Forecast persons aged 10-14,  2026 to 2041: 500 Forecast persons aged 5-9,  2026 to 2041: 235 Forecast persons aged 0-4,  2026 to 2041: 363 Forecast persons aged 85+,  2011 to 2026: 1,817 Forecast persons aged 80-84,  2011 to 2026: 1,709 Forecast persons aged 75-79,  2011 to 2026: 2,977 Forecast persons aged 70-74,  2011 to 2026: 3,117 Forecast persons aged 65-69,  2011 to 2026: 2,326 Forecast persons aged 60-64,  2011 to 2026: 299 Forecast persons aged 55-59,  2011 to 2026: -125 Forecast persons aged 50-54,  2011 to 2026: -566 Forecast persons aged 45-49,  2011 to 2026: -58 Forecast persons aged 40-44,  2011 to 2026: 452 Forecast persons aged 35-39,  2011 to 2026: 1,268 Forecast persons aged 30-34,  2011 to 2026: 1,846 Forecast persons aged 25-29,  2011 to 2026: 766 Forecast persons aged 20-24,  2011 to 2026: 456 Forecast persons aged 15-19,  2011 to 2026: 120 Forecast persons aged 10-14,  2011 to 2026: 595 Forecast persons aged 5-9,  2011 to 2026: 1,504 Forecast persons aged 0-4,  2011 to 2026: 1,700
Population and household forecasts, 2011 to 2041, prepared by .id the population experts, July 2016.

Key findings

In 2011, the dominant age structure for persons in the City of Brimbank was ages 25 to 29 , which accounted for 8.8% of the total persons.

The largest increase in persons between 2011 and 2026 is forecast to be in ages 70 to 74 , which is expected to increase by 3,117 and account for 4.0% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 17,694 persons.

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