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AustraliaCommunity profile

Tasmania

Five year age groups

In 2021, the largest age group in Tasmania was 25 to 29 year olds. The group that changed the most since 1991 was 25 to 29 year olds, increasing by 38,756 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)20211991Change
Five year age groups (years)Number%Australia %Number%Australia %1991 to 2021
0 to 428,2775.15.80----+28,277
5 to 931,1505.66.20----+31,150
10 to 1433,2126.06.20----+33,212
15 to 1930,0655.45.70----+30,065
20 to 2431,0245.66.20----+31,024
25 to 2938,7567.07.00----+38,756
30 to 3437,9086.87.30----+37,908
35 to 3934,7086.27.20----+34,708
40 to 4431,2465.66.50----+31,246
45 to 4933,2286.06.40----+33,228
50 to 5435,9766.56.30----+35,976
55 to 5936,9936.66.10----+36,993
60 to 6438,3956.95.80----+38,395
65 to 6935,1376.35.10----+35,137
70 to 7431,8565.74.60----+31,856
75 to 7922,0294.03.20----+22,029
80 to 8414,6172.62.20----+14,617
85 and over12,9952.32.11,124100.0100.0+11,871
Total population557,572100.0100.01,124100.0100.0+556,448
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 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 Tasmania in 2021 compared to Australia 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 18.2% and 17.2% respectively for Australia.

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

  • A larger percentage of persons aged 65 to 69 (6.3% compared to 5.1%)
  • A larger percentage of persons aged 70 to 74 (5.7% compared to 4.6%)
  • A larger percentage of persons aged 60 to 64 (6.9% compared to 5.8%)
  • A smaller percentage of persons aged 35 to 39 (6.2% compared to 7.2%)

Emerging groups

From 1991 to 2021, Tasmania's population increased by 556,448 people (49506.0%). This represents an average annual population change of 22.98% per year over the period.

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

  • 25 to 29 (+38,756 persons)
  • 60 to 64 (+38,395 persons)
  • 30 to 34 (+37,908 persons)
  • 55 to 59 (+36,993 persons)

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