Powered by .id (informed decisions) for RDA Northern Territory
.id community is an evidence base for over 250 local government areas in Australia and New Zealand, helping you make informed decisions.
LEARN MORE ABOUT .idIn 2021, Big Rivers had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Roper Gulf Regional Council LGA.
The Age Structure of Big Rivers provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Big Rivers's residential role and function and how it is likely to change in the future.
Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.
To get a more complete picture Big Rivers's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Service age groups | |||||||
|---|---|---|---|---|---|---|---|
| Big Rivers - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Service age group (years) | Number | % | Roper Gulf Regional Council LGA % | Number | % | Roper Gulf Regional Council LGA % | 2011 to 2021 |
| Babies and pre-schoolers (0 to 4) | 1,374 | 7.2 | 6.8 | 1,875 | 10.3 | 10.9 | -502 |
| Primary schoolers (5 to 11) | 2,132 | 11.2 | 11.2 | 2,378 | 13.0 | 15.1 | -246 |
| Secondary schoolers (12 to 17) | 1,569 | 8.3 | 9.7 | 1,719 | 9.4 | 10.7 | -150 |
| Tertiary education and independence (18 to 24) | 2,248 | 11.9 | 14.6 | 2,071 | 11.4 | 13.4 | +177 |
| Young workforce (25 to 34) | 3,509 | 18.5 | 17.8 | 2,928 | 16.1 | 16.3 | +581 |
| Parents and homebuilders (35 to 49) | 3,622 | 19.1 | 18.9 | 3,612 | 19.8 | 17.7 | +10 |
| Older workers and pre-retirees (50 to 59) | 2,179 | 11.5 | 11.0 | 1,935 | 10.6 | 8.5 | +243 |
| Empty nesters and retirees (60 to 69) | 1,458 | 7.7 | 6.7 | 1,166 | 6.4 | 5.2 | +291 |
| Seniors (70 to 84) | 793 | 4.2 | 3.2 | 501 | 2.8 | 2.0 | +291 |
| Elderly aged (85 and over) | 71 | 0.4 | 0.2 | 50 | 0.3 | 0.3 | +21 |
| Total | 18,955 | 100.0 | 100.0 | 18,239 | 100.0 | 100.0 | +715 |
Dominant groups
Analysis of the service age groups of Big Rivers in 2021 compared to Roper Gulf Regional Council LGA shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).
Overall, 26.8% of the population was aged between 0 and 17, and 12.3% were aged 60 years and over, compared with 27.7% and 10.0% respectively for Roper Gulf Regional Council LGA.
The major differences between the age structure of Big Rivers and Roper Gulf Regional Council LGA were:
- A larger percentage of 'Empty nesters and retirees' (7.7% compared to 6.7%)
- A larger percentage of 'Seniors' (4.2% compared to 3.2%)
- A smaller percentage of 'Tertiary education & independence' (11.9% compared to 14.6%)
- A smaller percentage of 'Secondary schoolers' (8.3% compared to 9.7%)
Emerging groups
From 2011 to 2021, Big Rivers's population increased by 716 people (3.9%). This represents an average annual population change of 0.39% per year over the period.
The largest changes in the age structure in this area between 2011 and 2021 were in the age groups:
- Young workforce (25 to 34) (+581 people)
- Babies and pre-schoolers (0 to 4) (-502 people)
- Empty nesters and retirees (60 to 69) (+291 people)
- Seniors (70 to 84) (+291 people)
DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.
Please view our Privacy Policy, Terms of use and Legal notices. Stats NZ Data and the copyright in the Stats NZ Data remains the property of the Statistics New Zealand.
The copyright in the way .id has modified, transformed or reconfigured the Stats NZ Data as published on this website remains the property of .id. Stats NZ Data can be accessed on the Statistics New Zealand website at www.stats.govt.nz. Unless otherwise specified, content that Stats NZ produce is licensed under the Creative Commons Attribution 4.0 International licence. For further information see https://www.stats.govt.nz/about-us/copyright/.