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Merriwa

Five year age groups

In 2021, the largest age group in Merriwa was 85 and over year olds. The group that changed the most since 1991 was 85 and over year olds, increasing by 390 people.

The Age Structure of Merriwa provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Merriwa'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 Merriwa's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

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

Total population

Age structure - Five year age groups
Merriwa - Total persons (Enumerated)20211991Change
Five year age groups (years)Number%Australia %Number%Australia %1991 to 2021
0 to 43286.05.87113.17.5+257
5 to 93847.16.25910.97.5+325
10 to 143867.16.2509.27.4+336
15 to 193426.35.7315.77.8+311
20 to 243165.86.2478.78.0+269
25 to 293065.67.09016.67.9+216
30 to 343366.27.37413.78.2+262
35 to 393516.57.2488.97.7+303
40 to 443215.96.5203.77.5+301
45 to 492935.46.4183.35.9+275
50 to 543025.66.3122.24.9+290
55 to 592424.56.140.74.2+238
60 to 642023.75.891.74.2+193
65 to 691993.75.130.63.9+196
70 to 742324.34.630.63.0+229
75 to 792244.13.230.62.2+221
80 to 842715.02.200.01.3+271
85 and over3907.22.100.00.9+390

Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, Australia: 2.1% 80 to 84, Australia: 2.2% 75 to 79, Australia: 3.2% 70 to 74, Australia: 4.6% 65 to 69, Australia: 5.1% 60 to 64, Australia: 5.8% 55 to 59, Australia: 6.1% 50 to 54, Australia: 6.3% 45 to 49, Australia: 6.4% 40 to 44, Australia: 6.5% 35 to 39, Australia: 7.2% 30 to 34, Australia: 7.3% 25 to 29, Australia: 7.0% 20 to 24, Australia: 6.2% 15 to 19, Australia: 5.7% 10 to 14, Australia: 6.2% 5 to 9, Australia: 6.2% 0 to 4, Australia: 5.8% 85 and over, Merriwa: 7.2% 80 to 84, Merriwa: 5.0% 75 to 79, Merriwa: 4.1% 70 to 74, Merriwa: 4.3% 65 to 69, Merriwa: 3.7% 60 to 64, Merriwa: 3.7% 55 to 59, Merriwa: 4.5% 50 to 54, Merriwa: 5.6% 45 to 49, Merriwa: 5.4% 40 to 44, Merriwa: 5.9% 35 to 39, Merriwa: 6.5% 30 to 34, Merriwa: 6.2% 25 to 29, Merriwa: 5.6% 20 to 24, Merriwa: 5.8% 15 to 19, Merriwa: 6.3% 10 to 14, Merriwa: 7.1% 5 to 9, Merriwa: 7.1% 0 to 4, Merriwa: 6.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 1991 to 2021
Change in age structure - five year age groups, 1991 to 2021 85 and over, Merriwa: +390 80 to 84, Merriwa: +271 75 to 79, Merriwa: +221 70 to 74, Merriwa: +229 65 to 69, Merriwa: +196 60 to 64, Merriwa: +193 55 to 59, Merriwa: +238 50 to 54, Merriwa: +290 45 to 49, Merriwa: +275 40 to 44, Merriwa: +301 35 to 39, Merriwa: +303 30 to 34, Merriwa: +262 25 to 29, Merriwa: +216 20 to 24, Merriwa: +269 15 to 19, Merriwa: +311 10 to 14, Merriwa: +336 5 to 9, Merriwa: +325 0 to 4, Merriwa: +257
Source: Australian Bureau of Statistics, Census of Population and Housing, 1991 and 2021 (Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the five year age groups of Merriwa in 2021 compared to Australia shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).

Overall, 20.2% of the population was aged between 0 and 15, and 24.3% were aged 65 years and over, compared with 18.2% and 17.2% respectively for Australia.

The major differences between the age structure of Merriwa and Australia were:

  • A larger percentage of persons aged 85 and over (7.2% compared to 2.1%)
  • A larger percentage of persons aged 80 to 84 (5.0% compared to 2.2%)
  • A smaller percentage of persons aged 60 to 64 (3.7% compared to 5.8%)
  • A smaller percentage of persons aged 55 to 59 (4.5% compared to 6.1%)

Emerging groups

From 1991 to 2021, Merriwa's population increased by 4,883 people (900.9%). This represents an average annual population change of 7.98% per year over the period.

The largest changes in age structure in this area between 1991 and 2021 were in the age groups:

  • 85 and over (+390 persons)
  • 10 to 14 (+336 persons)
  • 5 to 9 (+325 persons)
  • 15 to 19 (+311 persons)

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