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National Growth Areas AllianceCommunity profile

National Growth Areas Alliance (NGAA)

Five year age groups

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In 2021, the largest age group in National Growth Areas Alliance (NGAA) was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 100,999 people.

The Age Structure of National Growth Areas Alliance (NGAA) provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of National Growth Areas Alliance (NGAA)'s residential role and function and how it is likely to change in the future.

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 National Growth Areas Alliance (NGAA)'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 - Five year age groups
National Growth Areas Alliance (NGAA) - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Queensland %Number%Queensland %2016 to 2021
0 to 4376,8537.25.7340,8947.76.3+35,959
5 to 9397,5837.66.4338,9567.66.7+58,627
10 to 14374,6007.26.6303,8616.86.4+70,739
15 to 19327,0946.36.1297,9616.76.3+29,133
20 to 24329,7946.36.3297,0326.76.7+32,762
25 to 29355,9506.86.7312,4567.06.8+43,494
30 to 34400,1917.76.9344,5427.76.9+55,649
35 to 39423,9668.16.9322,9677.36.5+100,999
40 to 44364,9987.06.4316,0287.16.9+48,970
45 to 49337,3886.56.6301,7886.86.9+35,600
50 to 54314,6506.06.5279,3506.36.6+35,300
55 to 59286,6315.56.1250,6665.66.2+35,965
60 to 64255,6654.95.8215,1354.85.5+40,530
65 to 69216,9094.25.1188,2494.25.1+28,660
70 to 74186,4573.64.6131,8033.03.8+54,654
75 to 79124,4702.43.390,9942.02.7+33,476
80 to 8478,6841.52.159,3871.31.8+19,297
85 and over67,8291.31.954,8151.21.8+13,014
Total population5,219,712100.0100.04,446,884100.0100.0+772,828
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 of National Growth Areas Alliance (NGAA) in 2021 compared to Queensland shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 22.0% of the population was aged between 0 and 15, and 12.9% were aged 65 years and over, compared with 18.7% and 17.0% respectively for Queensland.

The major differences between the age structure of National Growth Areas Alliance (NGAA) and Queensland were:

  • A larger percentage of persons aged 0 to 4 (7.2% compared to 5.7%)
  • A larger percentage of persons aged 5 to 9 (7.6% compared to 6.4%)
  • A larger percentage of persons aged 35 to 39 (8.1% compared to 6.9%)
  • A smaller percentage of persons aged 70 to 74 (3.6% compared to 4.6%)

Emerging groups

From 2016 to 2021, National Growth Areas Alliance (NGAA)'s population increased by 772,828 people (17.4%). This represents an average annual population change of 3.26% per year over the period.

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

  • 35 to 39 (+100,999 persons)
  • 10 to 14 (+70,739 persons)
  • 5 to 9 (+58,627 persons)
  • 30 to 34 (+55,649 persons)

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