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Northern Beaches CouncilCommunity profile

Northern Beaches Council area

Five year age groups

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There were 16,704 people in low income households living in the Northern Beaches Council, with largest age group being 70 to 74 year olds in 2021.

The age structure of the population is a key indicator of the residential role and function of an area, and who it houses. For low income households the age breakdown can tell the story of the area, in terms of whether the low incomes are predominantly due to age (eg. aged pensioners) or other factors. Areas with high pensioner populations, or tertiary students may both have low incomes but for different reasons.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture the Northern Beaches Council's Age Structure for those in low income households should be viewed in conjunction with Dwelling Types, Tenure, and Occupations.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Five year age groups
Northern Beaches Council - Low income households20212016Change
Five year age groups (years)Number%Greater SydneyNumber%Greater Sydney2016 to 2021
0 to 44022.45.87403.76.8-338
5 to 95703.47.01,0955.47.5-525
10 to 147354.47.01,0935.47.0-358
15 to 197934.76.21,2856.47.4-492
20 to 244312.64.57273.67.0-296
25 to 292771.73.64232.15.1-146
30 to 342931.84.25512.75.0-258
35 to 394392.64.86753.45.2-236
40 to 445283.24.89424.75.3-414
45 to 496854.14.61,0315.15.1-346
50 to 547604.54.31,0215.14.6-261
55 to 598415.04.69534.74.4-112
60 to 641,0846.55.91,2126.05.2-128
65 to 691,5669.47.61,6978.46.4-131
70 to 742,03312.28.51,9099.56.0+124
75 to 792,01312.16.91,8189.05.1+195
80 to 841,6239.75.11,4997.53.8+124
85 and over1,6319.84.51,4497.23.3+182
Total people counted in private dwellings16,704100.0100.020,120100.0100.0-3,416
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups for low income households in the Northern Beaches Council in 2021 compared to Greater Sydney, shows that there was a similar proportion of people in low income households in the younger age groups (under 15) and a higher proportion in the older age groups (65+).

Overall, 10.2% of people in low income households were aged between 0 and 15, and 53.1% were aged 65 years and over, compared with 19.8% and 32.6% respectively for Greater Sydney.

The major differences between the five year age groups of low income households in the Northern Beaches Council and Greater Sydney were:

  • A larger percentage of people aged 85 and over (9.8% compared to 4.5%)
  • A larger percentage of people aged 75 to 79 (12.1% compared to 6.9%)
  • A larger percentage of people aged 80 to 84 (9.7% compared to 5.1%)
  • A larger percentage of people aged 70 to 74 (12.2% compared to 8.5%)

Emerging groups

From 2016 to 2021, the number of people in low income households decreased by 3,416 people (17.0%) in Northern Beaches Council area. This represents an average annual population change of -3.65% per year over the period.

The largest changes in age structure of low income households in this area between 2016 and 2021 were in the age groups:

  • 5 to 9 (-525 persons)
  • 15 to 19 (-492 persons)
  • 40 to 44 (-414 persons)
  • 10 to 14 (-358 persons)

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