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City of MaribyrnongPopulation forecast

City of Maribyrnong

Population and age structure

Between 2016 and 2026, the age structure forecasts for City of Maribyrnong indicate a 21.3% increase in population under working age, a 38.0% increase in population of retirement age, and a 24.7% 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 City of Maribyrnong 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 Maribyrnong - Total persons201620262051Change between 2016 and 2051
Age group (years)Number%Number%Number%Number
0 to 46,1207.07,0316.410,0286.1+3,908
5 to 94,5545.25,5045.07,6774.7+3,123
10 to 143,3583.94,4904.16,4863.9+3,128
15 to 193,8744.55,8555.48,5065.2+4,632
20 to 247,9849.210,0919.314,6668.9+6,682
25 to 2910,44412.012,37211.317,84010.8+7,396
30 to 349,97411.511,79010.816,88310.3+6,909
35 to 397,9849.29,9279.114,1048.6+6,120
40 to 446,5537.58,2087.511,7437.1+5,190
45 to 495,5686.46,8926.310,1986.2+4,630
50 to 544,6845.45,9605.59,0355.5+4,351
55 to 594,2444.95,1884.88,0054.9+3,761
60 to 643,2943.84,3053.96,8844.2+3,590
65 to 692,5602.93,6623.45,9753.6+3,415
70 to 741,7162.02,7582.55,1123.1+3,396
75 to 791,4661.72,0601.94,3402.6+2,874
80 to 841,1781.41,3261.23,3442.0+2,166
85 and over1,3871.61,6551.53,8102.3+2,423
Total persons86,942100.0109,074100.0164,637100.0+77,695
Source: Population and household forecasts, 2016 to 2051, prepared by .id (informed decisions), January 2021.

Key findings

In 2016, the dominant age structure for persons in City of Maribyrnong was ages 25 to 29, which accounted for 12.0% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 20 to 24, which is expected to increase by 2,107 and account for 9.3% of the total persons.

The largest 5 year age group in 2026 is 25 to 29 years, with a total of 12,372 persons.

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