Northern Beaches CouncilPopulation 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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Northern Beaches Council area

Population and age structure

Between 2016 and 2021, the age structure forecasts for the Northern Beaches Council area indicate a 0.3% increase in population under working age, a 11.1% increase in population of retirement age, and a 2.4% 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 Northern Beaches Council area 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
Northern Beaches Council area - Total persons201620212036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 4 17,1146.417,5986.419,6016.3+2,487
5 to 9 18,7267.017,2916.319,2946.2+568
10 to 14 16,5666.217,6716.418,4246.0+1,858
15 to 19 14,9635.615,8855.817,2275.6+2,264
20 to 24 14,0615.314,9725.416,5685.4+2,507
25 to 29 15,5715.815,6065.717,7735.7+2,202
30 to 34 17,6856.617,6916.419,6566.4+1,971
35 to 39 18,8617.119,4617.121,3016.9+2,440
40 to 44 21,1347.919,5787.121,5207.0+386
45 to 49 20,0527.520,3227.420,6526.7+600
50 to 54 18,4856.918,8046.819,4076.3+922
55 to 59 16,0116.017,2296.317,8365.8+1,825
60 to 64 13,6355.114,9675.417,0565.5+3,421
65 to 69 12,7474.812,8504.715,7635.1+3,016
70 to 74 10,5604.011,7874.314,4564.7+3,896
75 to 79 7,7702.99,6033.512,5124.0+4,742
80 to 84 5,4802.16,7312.49,8723.2+4,392
85 and over6,9232.67,3552.710,4163.4+3,492
Total persons266,344100.0275,403100.0309,333100.0+42,989

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: 10,416 Forecast persons aged 80-84,  2036: 9,872 Forecast persons aged 75-79,  2036: 12,512 Forecast persons aged 70-74,  2036: 14,456 Forecast persons aged 65-69,  2036: 15,763 Forecast persons aged 60-64,  2036: 17,056 Forecast persons aged 55-59,  2036: 17,836 Forecast persons aged 50-54,  2036: 19,407 Forecast persons aged 45-49,  2036: 20,652 Forecast persons aged 40-44,  2036: 21,520 Forecast persons aged 35-39,  2036: 21,301 Forecast persons aged 30-34,  2036: 19,656 Forecast persons aged 25-29,  2036: 17,773 Forecast persons aged 20-24,  2036: 16,568 Forecast persons aged 15-19,  2036: 17,227 Forecast persons aged 10-14,  2036: 18,424 Forecast persons aged 5-9,  2036: 19,294 Forecast persons aged 0-4,  2036: 19,601 Forecast persons aged 85+,  2021: 7,355 Forecast persons aged 80-84,  2021: 6,731 Forecast persons aged 75-79,  2021: 9,603 Forecast persons aged 70-74,  2021: 11,787 Forecast persons aged 65-69,  2021: 12,850 Forecast persons aged 60-64,  2021: 14,967 Forecast persons aged 55-59,  2021: 17,229 Forecast persons aged 50-54,  2021: 18,804 Forecast persons aged 45-49,  2021: 20,322 Forecast persons aged 40-44,  2021: 19,578 Forecast persons aged 35-39,  2021: 19,461 Forecast persons aged 30-34,  2021: 17,691 Forecast persons aged 25-29,  2021: 15,606 Forecast persons aged 20-24,  2021: 14,972 Forecast persons aged 15-19,  2021: 15,885 Forecast persons aged 10-14,  2021: 17,671 Forecast persons aged 5-9,  2021: 17,291 Forecast persons aged 0-4,  2021: 17,598 Forecast persons aged 85+,  2016: 6,923 Forecast persons aged 80-84,  2016: 5,480 Forecast persons aged 75-79,  2016: 7,770 Forecast persons aged 70-74,  2016: 10,560 Forecast persons aged 65-69,  2016: 12,747 Forecast persons aged 60-64,  2016: 13,635 Forecast persons aged 55-59,  2016: 16,011 Forecast persons aged 50-54,  2016: 18,485 Forecast persons aged 45-49,  2016: 20,052 Forecast persons aged 40-44,  2016: 21,134 Forecast persons aged 35-39,  2016: 18,861 Forecast persons aged 30-34,  2016: 17,685 Forecast persons aged 25-29,  2016: 15,571 Forecast persons aged 20-24,  2016: 14,061 Forecast persons aged 15-19,  2016: 14,963 Forecast persons aged 10-14,  2016: 16,566 Forecast persons aged 5-9,  2016: 18,726 Forecast persons aged 0-4,  2016: 17,114
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+,  2021 to 2036: 3,061 Forecast persons aged 80-84,  2021 to 2036: 3,141 Forecast persons aged 75-79,  2021 to 2036: 2,908 Forecast persons aged 70-74,  2021 to 2036: 2,669 Forecast persons aged 65-69,  2021 to 2036: 2,913 Forecast persons aged 60-64,  2021 to 2036: 2,089 Forecast persons aged 55-59,  2021 to 2036: 607 Forecast persons aged 50-54,  2021 to 2036: 603 Forecast persons aged 45-49,  2021 to 2036: 330 Forecast persons aged 40-44,  2021 to 2036: 1,942 Forecast persons aged 35-39,  2021 to 2036: 1,839 Forecast persons aged 30-34,  2021 to 2036: 1,965 Forecast persons aged 25-29,  2021 to 2036: 2,167 Forecast persons aged 20-24,  2021 to 2036: 1,595 Forecast persons aged 15-19,  2021 to 2036: 1,342 Forecast persons aged 10-14,  2021 to 2036: 752 Forecast persons aged 5-9,  2021 to 2036: 2,004 Forecast persons aged 0-4,  2021 to 2036: 2,003 Forecast persons aged 85+,  2016 to 2021: 432 Forecast persons aged 80-84,  2016 to 2021: 1,251 Forecast persons aged 75-79,  2016 to 2021: 1,833 Forecast persons aged 70-74,  2016 to 2021: 1,227 Forecast persons aged 65-69,  2016 to 2021: 103 Forecast persons aged 60-64,  2016 to 2021: 1,332 Forecast persons aged 55-59,  2016 to 2021: 1,218 Forecast persons aged 50-54,  2016 to 2021: 319 Forecast persons aged 45-49,  2016 to 2021: 270 Forecast persons aged 40-44,  2016 to 2021: -1,556 Forecast persons aged 35-39,  2016 to 2021: 600 Forecast persons aged 30-34,  2016 to 2021: 6 Forecast persons aged 25-29,  2016 to 2021: 35 Forecast persons aged 20-24,  2016 to 2021: 911 Forecast persons aged 15-19,  2016 to 2021: 922 Forecast persons aged 10-14,  2016 to 2021: 1,105 Forecast persons aged 5-9,  2016 to 2021: -1,435 Forecast persons aged 0-4,  2016 to 2021: 484
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 Northern Beaches Council area was ages 40 to 44 , which accounted for 7.9% of the total persons.

The largest increase in persons between 2016 and 2021 is forecast to be in ages 75 to 79 , which is expected to increase by 1,833 and account for 3.5% of the total persons.

The largest 5 year age group in 2021 is 45 to 49 years, with a total of 20,322 persons.

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