Population
Five year age groups
About this topic
Five year age groups show the population in standard five-year cohorts from early childhood through older age. Because each band covers the same span of years, the topic gives a clear and comparable view of an area's age structure.
This topic is useful for identifying growth or decline in specific cohorts and for comparing age patterns across places and over time. For service planning, it is often read together with service age groups, household types, and dwelling types.
Interpretation notes
- Age is reported as at Census night, so the counts are a snapshot of the resident age structure at that point in time.
- Because each band covers the same five-year span, this topic is best for exact cohort comparison rather than service-planning life stages.
Related topics
Key insight
In 2021, 10 to 14 year olds was the largest age group among residents in Urrbrae, accounting for 8% (86 people). This share was higher than Mitcham (C) (6.4%). Since 2016, the biggest change was in 10 to 14 year olds, which increased by 86 people and 8 percentage points.
Section overview
Age structure - Five year age groups
Urrbrae - Total persons (Usual residence)
This table summarises five year age groups for Urrbrae in 2021 for persons, with comparison against Mitcham (C) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Urrbrae, with comparison markers for Mitcham (C).
0 to 4
2021 count
49
% of total
4.6%
Change from 2016
+4.6pp
49
4.6%
+4.6pp
5 to 9
2021 count
70
% of total
6.5%
Change from 2016
+6.5pp
70
6.5%
+6.5pp
10 to 14
2021 count
86
% of total
8.0%
Change from 2016
+8.0pp
86
8.0%
+8.0pp
15 to 19
2021 count
80
% of total
7.5%
Change from 2016
+4.4pp
80
7.5%
+4.4pp
20 to 24
2021 count
62
% of total
5.8%
Change from 2016
+5.8pp
62
5.8%
+5.8pp
25 to 29
2021 count
41
% of total
3.8%
Change from 2016
+3.8pp
41
3.8%
+3.8pp
30 to 34
2021 count
44
% of total
4.1%
Change from 2016
+4.1pp
44
4.1%
+4.1pp
35 to 39
2021 count
58
% of total
5.4%
Change from 2016
+5.4pp
58
5.4%
+5.4pp
40 to 44
2021 count
74
% of total
6.9%
Change from 2016
+6.9pp
74
6.9%
+6.9pp
45 to 49
2021 count
82
% of total
7.7%
Change from 2016
+2.5pp
82
7.7%
+2.5pp
50 to 54
2021 count
81
% of total
7.6%
Change from 2016
+0.4pp
81
7.6%
+0.4pp
55 to 59
2021 count
74
% of total
6.9%
Change from 2016
-6.5pp
74
6.9%
-6.5pp
60 to 64
2021 count
76
% of total
7.1%
Change from 2016
-0.1pp
76
7.1%
-0.1pp
65 to 69
2021 count
67
% of total
6.3%
Change from 2016
+0.1pp
67
6.3%
+0.1pp
70 to 74
2021 count
50
% of total
4.7%
Change from 2016
-7.7pp
50
4.7%
-7.7pp
75 to 79
2021 count
47
% of total
4.4%
Change from 2016
-9.0pp
47
4.4%
-9.0pp
80 to 84
2021 count
36
% of total
3.4%
Change from 2016
+0.3pp
36
3.4%
+0.3pp
85 and over
2021 count
27
% of total
2.5%
Change from 2016
-0.6pp
27
2.5%
-0.6pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
+49
+4.6pp
5 to 9
+70
+6.5pp
10 to 14
+86
+8.0pp
15 to 19
+77
+4.4pp
20 to 24
+62
+5.8pp
25 to 29
+41
+3.8pp
30 to 34
+44
+4.1pp
35 to 39
+58
+5.4pp
40 to 44
+74
+6.9pp
45 to 49
+77
+2.5pp
50 to 54
+74
+0.4pp
55 to 59
+61
-6.5pp
60 to 64
+69
-0.1pp
65 to 69
+61
+0.1pp
70 to 74
+38
-7.7pp
75 to 79
+34
-9.0pp
80 to 84
+33
+0.3pp
85 and over
+24
-0.6pp
Data table
Five year age groups for Urrbrae. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Mitcham (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Mitcham (C)% | Count | % | Mitcham (C)% | Count | pp | |
| 0 to 4 | 49 | 4.6% | 4.9% | 0 | 0.0% | 5.3% | +49 | +4.6pp |
| 5 to 9 | 70 | 6.5% | 6.0% | 0 | 0.0% | 6.2% | +70 | +6.5pp |
| 10 to 14 | 86 | 8.0% | 6.4% | 0 | 0.0% | 6.1% | +86 | +8.0pp |
| 15 to 19 | 80 | 7.5% | 6.4% | 3 | 3.1% | 6.6% | +77 | +4.4pp |
| 20 to 24 | 62 | 5.8% | 6.0% | 0 | 0.0% | 6.4% | +62 | +5.8pp |
| 25 to 29 | 41 | 3.8% | 5.1% | 0 | 0.0% | 5.1% | +41 | +3.8pp |
| 30 to 34 | 44 | 4.1% | 5.4% | 0 | 0.0% | 5.6% | +44 | +4.1pp |
| 35 to 39 | 58 | 5.4% | 6.2% | 0 | 0.0% | 6.0% | +58 | +5.4pp |
| 40 to 44 | 74 | 6.9% | 6.6% | 0 | 0.0% | 6.9% | +74 | +6.9pp |
| 45 to 49 | 82 | 7.7% | 7.1% | 5 | 5.2% | 7.1% | +77 | +2.5pp |
| 50 to 54 | 81 | 7.6% | 6.7% | 7 | 7.2% | 6.7% | +74 | +0.4pp |
| 55 to 59 | 74 | 6.9% | 6.2% | 13 | 13.4% | 6.7% | +61 | -6.5pp |
| 60 to 64 | 76 | 7.1% | 6.1% | 7 | 7.2% | 5.8% | +69 | -0.1pp |
| 65 to 69 | 67 | 6.3% | 5.4% | 6 | 6.2% | 5.7% | +61 | +0.1pp |
| 70 to 74 | 50 | 4.7% | 5.4% | 12 | 12.4% | 4.6% | +38 | -7.7pp |
| 75 to 79 | 47 | 4.4% | 4.1% | 13 | 13.4% | 3.4% | +34 | -9.0pp |
| 80 to 84 | 36 | 3.4% | 2.8% | 3 | 3.1% | 2.5% | +33 | +0.3pp |
| 85 and over | 27 | 2.5% | 3.3% | 3 | 3.1% | 3.4% | +24 | -0.6pp |
| Total | 1,070 | 100.0% | 100.0% | 97 | 100.0% | 100.0% | +973 | 0.0pp |