Blue Mountains City CouncilPopulation forecast
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Blue Mountains City

Population and age structure

Between 2011 and 2026, the age structure forecasts for Blue Mountains City indicate a 9.2% decrease in population under working age, a 62.7% increase in population of retirement age, and a 8.7% 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 Blue Mountains City 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
Blue Mountains City - Total persons201120262036Change between 2011 and 2036
Age group (years)Number%Number%Number%Number
0 to 4 4,8076.14,2255.34,2785.2-529
5 to 9 5,1206.54,6585.84,7425.7-378
10 to 14 5,1626.64,8146.04,8795.9-283
15 to 19 5,1836.64,5945.74,5185.5-665
20 to 24 4,1625.33,7264.63,7084.5-454
25 to 29 3,5694.53,3644.23,4324.1-137
30 to 34 4,0065.13,7944.73,8294.6-177
35 to 39 5,0626.44,4225.54,5375.5-525
40 to 44 5,6817.24,8686.15,0246.1-657
45 to 49 5,7377.35,0646.35,1406.2-598
50 to 54 6,2367.95,5156.95,3736.5-863
55 to 59 6,1847.95,7767.25,5576.7-627
60 to 64 5,5207.05,7517.25,6936.9+173
65 to 69 4,1605.35,6987.15,5956.8+1,435
70 to 74 2,8183.65,1176.45,1526.2+2,334
75 to 79 2,0602.64,0445.04,5765.5+2,517
80 to 84 1,5171.92,6223.33,5744.3+2,057
85 and over1,5682.02,2472.83,2613.9+1,693
Total persons78,553100.080,297100.082,869100.0+4,316

Population and household forecasts, 2011 to 2036, prepared by .id , the population experts, May 2016.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2036: 3,261 Forecast persons aged 80-84,  2036: 3,574 Forecast persons aged 75-79,  2036: 4,576 Forecast persons aged 70-74,  2036: 5,152 Forecast persons aged 65-69,  2036: 5,595 Forecast persons aged 60-64,  2036: 5,693 Forecast persons aged 55-59,  2036: 5,557 Forecast persons aged 50-54,  2036: 5,373 Forecast persons aged 45-49,  2036: 5,140 Forecast persons aged 40-44,  2036: 5,024 Forecast persons aged 35-39,  2036: 4,537 Forecast persons aged 30-34,  2036: 3,829 Forecast persons aged 25-29,  2036: 3,432 Forecast persons aged 20-24,  2036: 3,708 Forecast persons aged 15-19,  2036: 4,518 Forecast persons aged 10-14,  2036: 4,879 Forecast persons aged 5-9,  2036: 4,742 Forecast persons aged 0-4,  2036: 4,278 Forecast persons aged 85+,  2026: 2,247 Forecast persons aged 80-84,  2026: 2,622 Forecast persons aged 75-79,  2026: 4,044 Forecast persons aged 70-74,  2026: 5,117 Forecast persons aged 65-69,  2026: 5,698 Forecast persons aged 60-64,  2026: 5,751 Forecast persons aged 55-59,  2026: 5,776 Forecast persons aged 50-54,  2026: 5,515 Forecast persons aged 45-49,  2026: 5,064 Forecast persons aged 40-44,  2026: 4,868 Forecast persons aged 35-39,  2026: 4,422 Forecast persons aged 30-34,  2026: 3,794 Forecast persons aged 25-29,  2026: 3,364 Forecast persons aged 20-24,  2026: 3,726 Forecast persons aged 15-19,  2026: 4,594 Forecast persons aged 10-14,  2026: 4,814 Forecast persons aged 5-9,  2026: 4,658 Forecast persons aged 0-4,  2026: 4,225 Forecast persons aged 85+,  2011: 1,568 Forecast persons aged 80-84,  2011: 1,517 Forecast persons aged 75-79,  2011: 2,060 Forecast persons aged 70-74,  2011: 2,818 Forecast persons aged 65-69,  2011: 4,160 Forecast persons aged 60-64,  2011: 5,520 Forecast persons aged 55-59,  2011: 6,184 Forecast persons aged 50-54,  2011: 6,236 Forecast persons aged 45-49,  2011: 5,737 Forecast persons aged 40-44,  2011: 5,681 Forecast persons aged 35-39,  2011: 5,062 Forecast persons aged 30-34,  2011: 4,006 Forecast persons aged 25-29,  2011: 3,569 Forecast persons aged 20-24,  2011: 4,162 Forecast persons aged 15-19,  2011: 5,183 Forecast persons aged 10-14,  2011: 5,162 Forecast persons aged 5-9,  2011: 5,120 Forecast persons aged 0-4,  2011: 4,807
Population and household forecasts, 2011 to 2036, prepared by .id the population experts, May 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 2036: 1,014 Forecast persons aged 80-84,  2026 to 2036: 952 Forecast persons aged 75-79,  2026 to 2036: 533 Forecast persons aged 70-74,  2026 to 2036: 35 Forecast persons aged 65-69,  2026 to 2036: -103 Forecast persons aged 60-64,  2026 to 2036: -58 Forecast persons aged 55-59,  2026 to 2036: -218 Forecast persons aged 50-54,  2026 to 2036: -142 Forecast persons aged 45-49,  2026 to 2036: 75 Forecast persons aged 40-44,  2026 to 2036: 156 Forecast persons aged 35-39,  2026 to 2036: 116 Forecast persons aged 30-34,  2026 to 2036: 35 Forecast persons aged 25-29,  2026 to 2036: 68 Forecast persons aged 20-24,  2026 to 2036: -18 Forecast persons aged 15-19,  2026 to 2036: -76 Forecast persons aged 10-14,  2026 to 2036: 66 Forecast persons aged 5-9,  2026 to 2036: 85 Forecast persons aged 0-4,  2026 to 2036: 53 Forecast persons aged 85+,  2011 to 2026: 679 Forecast persons aged 80-84,  2011 to 2026: 1,105 Forecast persons aged 75-79,  2011 to 2026: 1,984 Forecast persons aged 70-74,  2011 to 2026: 2,299 Forecast persons aged 65-69,  2011 to 2026: 1,538 Forecast persons aged 60-64,  2011 to 2026: 231 Forecast persons aged 55-59,  2011 to 2026: -408 Forecast persons aged 50-54,  2011 to 2026: -721 Forecast persons aged 45-49,  2011 to 2026: -673 Forecast persons aged 40-44,  2011 to 2026: -813 Forecast persons aged 35-39,  2011 to 2026: -640 Forecast persons aged 30-34,  2011 to 2026: -212 Forecast persons aged 25-29,  2011 to 2026: -205 Forecast persons aged 20-24,  2011 to 2026: -436 Forecast persons aged 15-19,  2011 to 2026: -589 Forecast persons aged 10-14,  2011 to 2026: -349 Forecast persons aged 5-9,  2011 to 2026: -463 Forecast persons aged 0-4,  2011 to 2026: -582
Population and household forecasts, 2011 to 2036, prepared by .id the population experts, May 2016.

Key findings

In 2011, the dominant age structure for persons in Blue Mountains City was ages 50 to 54 , which accounted for 7.9% 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 2,299 and account for 6.4% of the total persons.

The largest 5 year age group in 2026 is 55 to 59 years, with a total of 5,776 persons.

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