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, 30 to 34 year olds was the largest age group among residents in Bronte, accounting for 9% (643 people). This share was lower than Waverley (A) (12.6%). Since 2016, the biggest change was in 35 to 39 year olds, which decreased by 108 people and 2.1 percentage points.
Section overview
Age structure - Five year age groups
Bronte - Total persons (Usual residence)
This table summarises five year age groups for Bronte in 2021 for persons, with comparison against Waverley (A) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Bronte, with comparison markers for Waverley (A).
0 to 4
2021 count
383
% of total
5.3%
Change from 2016
-1.4pp
383
5.3%
-1.4pp
5 to 9
2021 count
450
% of total
6.3%
Change from 2016
-0.9pp
450
6.3%
-0.9pp
10 to 14
2021 count
500
% of total
7.0%
Change from 2016
+1.0pp
500
7.0%
+1.0pp
15 to 19
2021 count
409
% of total
5.7%
Change from 2016
+1.1pp
409
5.7%
+1.1pp
20 to 24
2021 count
310
% of total
4.3%
Change from 2016
+0.2pp
310
4.3%
+0.2pp
25 to 29
2021 count
536
% of total
7.5%
Change from 2016
+0.1pp
536
7.5%
+0.1pp
30 to 34
2021 count
643
% of total
9.0%
Change from 2016
-0.1pp
643
9.0%
-0.1pp
35 to 39
2021 count
536
% of total
7.5%
Change from 2016
-2.1pp
536
7.5%
-2.1pp
40 to 44
2021 count
534
% of total
7.5%
Change from 2016
-1.3pp
534
7.5%
-1.3pp
45 to 49
2021 count
574
% of total
8.0%
Change from 2016
+0.1pp
574
8.0%
+0.1pp
50 to 54
2021 count
505
% of total
7.0%
Change from 2016
0.0pp
505
7.0%
0.0pp
55 to 59
2021 count
472
% of total
6.6%
Change from 2016
+1.0pp
472
6.6%
+1.0pp
60 to 64
2021 count
341
% of total
4.8%
Change from 2016
+0.4pp
341
4.8%
+0.4pp
65 to 69
2021 count
267
% of total
3.7%
Change from 2016
-0.4pp
267
3.7%
-0.4pp
70 to 74
2021 count
254
% of total
3.5%
Change from 2016
+0.8pp
254
3.5%
+0.8pp
75 to 79
2021 count
168
% of total
2.3%
Change from 2016
+0.4pp
168
2.3%
+0.4pp
80 to 84
2021 count
129
% of total
1.8%
Change from 2016
+0.3pp
129
1.8%
+0.3pp
85 and over
2021 count
187
% of total
2.6%
Change from 2016
+1.4pp
187
2.6%
+1.4pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
-71
-1.4pp
5 to 9
-32
-0.9pp
10 to 14
+97
+1.0pp
15 to 19
+101
+1.1pp
20 to 24
+31
+0.2pp
25 to 29
+36
+0.1pp
30 to 34
+32
-0.1pp
35 to 39
-108
-2.1pp
40 to 44
-60
-1.3pp
45 to 49
+45
+0.1pp
50 to 54
+34
0.0pp
55 to 59
+92
+1.0pp
60 to 64
+42
+0.4pp
65 to 69
-9
-0.4pp
70 to 74
+74
+0.8pp
75 to 79
+41
+0.4pp
80 to 84
+27
+0.3pp
85 and over
+103
+1.4pp
Data table
Five year age groups for Bronte. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Waverley (A).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Waverley (A)% | Count | % | Waverley (A)% | Count | pp | |
| 0 to 4 | 383 | 5.3% | 5.5% | 454 | 6.7% | 6.2% | -71 | -1.4pp |
| 5 to 9 | 450 | 6.3% | 5.0% | 482 | 7.2% | 5.5% | -32 | -0.9pp |
| 10 to 14 | 500 | 7.0% | 5.2% | 403 | 6.0% | 4.3% | +97 | +1.0pp |
| 15 to 19 | 409 | 5.7% | 4.2% | 308 | 4.6% | 3.7% | +101 | +1.1pp |
| 20 to 24 | 310 | 4.3% | 4.8% | 279 | 4.1% | 5.5% | +31 | +0.2pp |
| 25 to 29 | 536 | 7.5% | 10.9% | 500 | 7.4% | 11.1% | +36 | +0.1pp |
| 30 to 34 | 643 | 9.0% | 12.6% | 611 | 9.1% | 12.5% | +32 | -0.1pp |
| 35 to 39 | 536 | 7.5% | 9.4% | 644 | 9.6% | 9.8% | -108 | -2.1pp |
| 40 to 44 | 534 | 7.5% | 7.5% | 594 | 8.8% | 8.0% | -60 | -1.3pp |
| 45 to 49 | 574 | 8.0% | 6.9% | 529 | 7.9% | 6.8% | +45 | +0.1pp |
| 50 to 54 | 505 | 7.0% | 6.0% | 471 | 7.0% | 5.4% | +34 | 0.0pp |
| 55 to 59 | 472 | 6.6% | 4.8% | 380 | 5.6% | 4.6% | +92 | +1.0pp |
| 60 to 64 | 341 | 4.8% | 4.2% | 299 | 4.4% | 3.8% | +42 | +0.4pp |
| 65 to 69 | 267 | 3.7% | 3.3% | 276 | 4.1% | 3.8% | -9 | -0.4pp |
| 70 to 74 | 254 | 3.5% | 3.4% | 180 | 2.7% | 2.7% | +74 | +0.8pp |
| 75 to 79 | 168 | 2.3% | 2.4% | 127 | 1.9% | 2.2% | +41 | +0.4pp |
| 80 to 84 | 129 | 1.8% | 1.8% | 102 | 1.5% | 1.7% | +27 | +0.3pp |
| 85 and over | 187 | 2.6% | 2.0% | 84 | 1.2% | 2.3% | +103 | +1.4pp |
| Total | 7,166 | 100.0% | 100.0% | 6,733 | 100.0% | 100.0% | +433 | 0.0pp |