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, 15 to 19 year olds was the largest age group among residents in Mount Pritchard (part), accounting for 7.4% (770 people). This share was higher than Fairfield (C) (6.9%). Since 2016, the biggest change was in 10 to 14 year olds, which increased by 676 people and 0.5 percentage points.
Section overview
Age structure - Five year age groups
Mount Pritchard (part) - Total persons (Usual residence)
This table summarises five year age groups for Mount Pritchard (part) in 2021 for persons, with comparison against Fairfield (C) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Mount Pritchard (part), with comparison markers for Fairfield (C).
0 to 4
2021 count
611
% of total
5.9%
Change from 2016
+1.2pp
611
5.9%
+1.2pp
5 to 9
2021 count
712
% of total
6.8%
Change from 2016
+0.5pp
712
6.8%
+0.5pp
10 to 14
2021 count
757
% of total
7.3%
Change from 2016
+0.5pp
757
7.3%
+0.5pp
15 to 19
2021 count
770
% of total
7.4%
Change from 2016
-1.5pp
770
7.4%
-1.5pp
20 to 24
2021 count
740
% of total
7.1%
Change from 2016
-2.1pp
740
7.1%
-2.1pp
25 to 29
2021 count
715
% of total
6.9%
Change from 2016
+0.3pp
715
6.9%
+0.3pp
30 to 34
2021 count
679
% of total
6.5%
Change from 2016
+2.1pp
679
6.5%
+2.1pp
35 to 39
2021 count
622
% of total
6.0%
Change from 2016
+2.1pp
622
6.0%
+2.1pp
40 to 44
2021 count
680
% of total
6.5%
Change from 2016
-1.0pp
680
6.5%
-1.0pp
45 to 49
2021 count
663
% of total
6.4%
Change from 2016
-2.5pp
663
6.4%
-2.5pp
50 to 54
2021 count
670
% of total
6.4%
Change from 2016
-1.6pp
670
6.4%
-1.6pp
55 to 59
2021 count
652
% of total
6.3%
Change from 2016
-0.8pp
652
6.3%
-0.8pp
60 to 64
2021 count
676
% of total
6.5%
Change from 2016
+1.7pp
676
6.5%
+1.7pp
65 to 69
2021 count
467
% of total
4.5%
Change from 2016
0.0pp
467
4.5%
0.0pp
70 to 74
2021 count
393
% of total
3.8%
Change from 2016
+1.5pp
393
3.8%
+1.5pp
75 to 79
2021 count
252
% of total
2.4%
Change from 2016
-0.3pp
252
2.4%
-0.3pp
80 to 84
2021 count
238
% of total
2.3%
Change from 2016
0.0pp
238
2.3%
0.0pp
85 and over
2021 count
170
% of total
1.6%
Change from 2016
+0.7pp
170
1.6%
+0.7pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
+555
+1.2pp
5 to 9
+637
+0.5pp
10 to 14
+676
+0.5pp
15 to 19
+664
-1.5pp
20 to 24
+630
-2.1pp
25 to 29
+636
+0.3pp
30 to 34
+627
+2.1pp
35 to 39
+576
+2.1pp
40 to 44
+591
-1.0pp
45 to 49
+557
-2.5pp
50 to 54
+575
-1.6pp
55 to 59
+567
-0.8pp
60 to 64
+619
+1.7pp
65 to 69
+413
0.0pp
70 to 74
+366
+1.5pp
75 to 79
+220
-0.3pp
80 to 84
+211
0.0pp
85 and over
+159
+0.7pp
Data table
Five year age groups for Mount Pritchard (part). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Fairfield (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Fairfield (C)% | Count | % | Fairfield (C)% | Count | pp | |
| 0 to 4 | 611 | 5.9% | 5.2% | 56 | 4.7% | 6.1% | +555 | +1.2pp |
| 5 to 9 | 712 | 6.8% | 6.1% | 75 | 6.3% | 6.4% | +637 | +0.5pp |
| 10 to 14 | 757 | 7.3% | 6.6% | 81 | 6.8% | 6.6% | +676 | +0.5pp |
| 15 to 19 | 770 | 7.4% | 6.9% | 106 | 8.9% | 7.1% | +664 | -1.5pp |
| 20 to 24 | 740 | 7.1% | 7.0% | 110 | 9.2% | 7.7% | +630 | -2.1pp |
| 25 to 29 | 715 | 6.9% | 6.8% | 79 | 6.6% | 7.1% | +636 | +0.3pp |
| 30 to 34 | 679 | 6.5% | 6.2% | 52 | 4.4% | 6.6% | +627 | +2.1pp |
| 35 to 39 | 622 | 6.0% | 6.1% | 46 | 3.9% | 6.0% | +576 | +2.1pp |
| 40 to 44 | 680 | 6.5% | 5.9% | 89 | 7.5% | 6.4% | +591 | -1.0pp |
| 45 to 49 | 663 | 6.4% | 6.4% | 106 | 8.9% | 6.8% | +557 | -2.5pp |
| 50 to 54 | 670 | 6.4% | 6.7% | 95 | 8.0% | 6.8% | +575 | -1.6pp |
| 55 to 59 | 652 | 6.3% | 6.8% | 85 | 7.1% | 6.8% | +567 | -0.8pp |
| 60 to 64 | 676 | 6.5% | 6.6% | 57 | 4.8% | 5.7% | +619 | +1.7pp |
| 65 to 69 | 467 | 4.5% | 5.5% | 54 | 4.5% | 4.6% | +413 | 0.0pp |
| 70 to 74 | 393 | 3.8% | 4.3% | 27 | 2.3% | 3.1% | +366 | +1.5pp |
| 75 to 79 | 252 | 2.4% | 2.8% | 32 | 2.7% | 2.5% | +220 | -0.3pp |
| 80 to 84 | 238 | 2.3% | 2.1% | 27 | 2.3% | 1.8% | +211 | 0.0pp |
| 85 and over | 170 | 1.6% | 2.1% | 11 | 0.9% | 1.8% | +159 | +0.7pp |
| Total | 10,426 | 100.0% | 100.0% | 1,192 | 100.0% | 100.0% | +9,234 | 0.0pp |