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LEARN MORE ABOUT .idIn 2021, the largest age group in Tasmania was 25 to 29 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 12,303 people.
The Age Structure of Tasmania provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Tasmania'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 Tasmania'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 | |||||||
|---|---|---|---|---|---|---|---|
| Tasmania - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Regional QLD % | Number | % | Regional QLD % | 2011 to 2021 |
| 0 to 4 | 28,277 | 5.1 | 5.4 | 31,225 | 6.3 | 6.8 | -2,948 |
| 5 to 9 | 31,150 | 5.6 | 6.2 | 30,244 | 6.1 | 6.7 | +906 |
| 10 to 14 | 33,212 | 6.0 | 6.7 | 32,466 | 6.6 | 6.9 | +746 |
| 15 to 19 | 30,065 | 5.4 | 6.0 | 32,743 | 6.6 | 6.7 | -2,678 |
| 20 to 24 | 31,024 | 5.6 | 5.7 | 29,565 | 6.0 | 6.0 | +1,459 |
| 25 to 29 | 38,756 | 7.0 | 6.2 | 28,074 | 5.7 | 6.3 | +10,682 |
| 30 to 34 | 37,908 | 6.8 | 6.3 | 27,206 | 5.5 | 6.1 | +10,702 |
| 35 to 39 | 34,708 | 6.2 | 6.4 | 30,843 | 6.2 | 6.8 | +3,865 |
| 40 to 44 | 31,246 | 5.6 | 6.1 | 33,969 | 6.9 | 7.1 | -2,723 |
| 45 to 49 | 33,228 | 6.0 | 6.5 | 35,048 | 7.1 | 7.1 | -1,820 |
| 50 to 54 | 35,976 | 6.5 | 6.6 | 36,545 | 7.4 | 6.9 | -569 |
| 55 to 59 | 36,993 | 6.6 | 6.6 | 34,069 | 6.9 | 6.2 | +2,924 |
| 60 to 64 | 38,395 | 6.9 | 6.4 | 32,695 | 6.6 | 6.0 | +5,700 |
| 65 to 69 | 35,137 | 6.3 | 5.7 | 25,252 | 5.1 | 4.7 | +9,885 |
| 70 to 74 | 31,856 | 5.7 | 5.2 | 19,553 | 3.9 | 3.5 | +12,303 |
| 75 to 79 | 22,029 | 4.0 | 3.7 | 14,477 | 2.9 | 2.6 | +7,552 |
| 80 to 84 | 14,617 | 2.6 | 2.3 | 11,146 | 2.3 | 1.9 | +3,471 |
| 85 and over | 12,995 | 2.3 | 2.1 | 10,236 | 2.1 | 1.7 | +2,759 |
| Total population | 557,572 | 100.0 | 100.0 | 495,356 | 100.0 | 100.0 | +62,216 |
Dominant groups
Analysis of the five year age groups of Tasmania in 2021 compared to Regional QLD shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 16.6% of the population was aged between 0 and 15, and 20.9% were aged 65 years and over, compared with 18.3% and 19.1% respectively for Regional QLD.
The major differences between the age structure of Tasmania and Regional QLD were:
- A larger percentage of persons aged 25 to 29 (7.0% compared to 6.2%)
- A smaller percentage of persons aged 10 to 14 (6.0% compared to 6.7%)
- A smaller percentage of persons aged 5 to 9 (5.6% compared to 6.2%)
- A smaller percentage of persons aged 15 to 19 (5.4% compared to 6.0%)
Emerging groups
From 2011 to 2021, Tasmania's population increased by 62,216 people (12.6%). This represents an average annual population change of 1.19% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+12,303 persons)
- 30 to 34 (+10,702 persons)
- 25 to 29 (+10,682 persons)
- 65 to 69 (+9,885 persons)
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