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, 60 to 64 year olds was the largest age group among residents in Lower Eyre Peninsula (DC), accounting for 8.2% (485 people). This share was higher than Regional SA (7.7%). Since 2016, the biggest change was in 60 to 64 year olds, which increased by 109 people and 1.4 percentage points.
Section overview
Age structure - Five year age groups
Lower Eyre Peninsula (DC) - Total persons (Usual residence)
This table summarises five year age groups for Lower Eyre Peninsula (DC) in 2021 for persons, with comparison against Regional SA and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for Lower Eyre Peninsula (DC), with comparison markers for Regional SA.
0 to 4
2021 count
340
% of total
5.8%
Change from 2016
+0.1pp
340
5.8%
+0.1pp
5 to 9
2021 count
384
% of total
6.5%
Change from 2016
-0.4pp
384
6.5%
-0.4pp
10 to 14
2021 count
453
% of total
7.7%
Change from 2016
+0.5pp
453
7.7%
+0.5pp
15 to 19
2021 count
327
% of total
5.5%
Change from 2016
-0.3pp
327
5.5%
-0.3pp
20 to 24
2021 count
174
% of total
2.9%
Change from 2016
-0.5pp
174
2.9%
-0.5pp
25 to 29
2021 count
235
% of total
4.0%
Change from 2016
-0.9pp
235
4.0%
-0.9pp
30 to 34
2021 count
299
% of total
5.1%
Change from 2016
-0.4pp
299
5.1%
-0.4pp
35 to 39
2021 count
361
% of total
6.1%
Change from 2016
-0.7pp
361
6.1%
-0.7pp
40 to 44
2021 count
405
% of total
6.9%
Change from 2016
+0.2pp
405
6.9%
+0.2pp
45 to 49
2021 count
404
% of total
6.8%
Change from 2016
-1.4pp
404
6.8%
-1.4pp
50 to 54
2021 count
468
% of total
7.9%
Change from 2016
-0.1pp
468
7.9%
-0.1pp
55 to 59
2021 count
445
% of total
7.5%
Change from 2016
-0.8pp
445
7.5%
-0.8pp
60 to 64
2021 count
485
% of total
8.2%
Change from 2016
+1.4pp
485
8.2%
+1.4pp
65 to 69
2021 count
410
% of total
6.9%
Change from 2016
+0.7pp
410
6.9%
+0.7pp
70 to 74
2021 count
332
% of total
5.6%
Change from 2016
+1.3pp
332
5.6%
+1.3pp
75 to 79
2021 count
221
% of total
3.7%
Change from 2016
+1.2pp
221
3.7%
+1.2pp
80 to 84
2021 count
103
% of total
1.7%
Change from 2016
+0.1pp
103
1.7%
+0.1pp
85 and over
2021 count
83
% of total
1.4%
Change from 2016
0.0pp
83
1.4%
0.0pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
+26
+0.1pp
5 to 9
+5
-0.4pp
10 to 14
+59
+0.5pp
15 to 19
+7
-0.3pp
20 to 24
-13
-0.5pp
25 to 29
-33
-0.9pp
30 to 34
-4
-0.4pp
35 to 39
-12
-0.7pp
40 to 44
+35
+0.2pp
45 to 49
-46
-1.4pp
50 to 54
+26
-0.1pp
55 to 59
-11
-0.8pp
60 to 64
+109
+1.4pp
65 to 69
+69
+0.7pp
70 to 74
+94
+1.3pp
75 to 79
+81
+1.2pp
80 to 84
+16
+0.1pp
85 and over
+8
0.0pp
Data table
Five year age groups for Lower Eyre Peninsula (DC). Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Regional SA.
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Regional SA% | Count | % | Regional SA% | Count | pp | |
| 0 to 4 | 340 | 5.8% | 4.9% | 314 | 5.7% | 5.5% | +26 | +0.1pp |
| 5 to 9 | 384 | 6.5% | 5.7% | 379 | 6.9% | 6.1% | +5 | -0.4pp |
| 10 to 14 | 453 | 7.7% | 6.1% | 394 | 7.2% | 6.0% | +59 | +0.5pp |
| 15 to 19 | 327 | 5.5% | 5.3% | 320 | 5.8% | 5.6% | +7 | -0.3pp |
| 20 to 24 | 174 | 2.9% | 4.6% | 187 | 3.4% | 4.8% | -13 | -0.5pp |
| 25 to 29 | 235 | 4.0% | 5.1% | 268 | 4.9% | 5.1% | -33 | -0.9pp |
| 30 to 34 | 299 | 5.1% | 5.4% | 303 | 5.5% | 5.3% | -4 | -0.4pp |
| 35 to 39 | 361 | 6.1% | 5.4% | 373 | 6.8% | 5.2% | -12 | -0.7pp |
| 40 to 44 | 405 | 6.9% | 5.2% | 370 | 6.7% | 5.9% | +35 | +0.2pp |
| 45 to 49 | 404 | 6.8% | 5.8% | 450 | 8.2% | 6.7% | -46 | -1.4pp |
| 50 to 54 | 468 | 7.9% | 6.7% | 442 | 8.0% | 7.1% | +26 | -0.1pp |
| 55 to 59 | 445 | 7.5% | 7.2% | 456 | 8.3% | 7.5% | -11 | -0.8pp |
| 60 to 64 | 485 | 8.2% | 7.7% | 376 | 6.8% | 7.3% | +109 | +1.4pp |
| 65 to 69 | 410 | 6.9% | 7.4% | 341 | 6.2% | 7.1% | +69 | +0.7pp |
| 70 to 74 | 332 | 5.6% | 6.8% | 238 | 4.3% | 5.5% | +94 | +1.3pp |
| 75 to 79 | 221 | 3.7% | 4.8% | 140 | 2.5% | 3.9% | +81 | +1.2pp |
| 80 to 84 | 103 | 1.7% | 3.1% | 87 | 1.6% | 2.6% | +16 | +0.1pp |
| 85 and over | 83 | 1.4% | 2.8% | 75 | 1.4% | 2.7% | +8 | 0.0pp |
| Total | 5,910 | 100.0% | 100.0% | 5,510 | 100.0% | 100.0% | +400 | 0.0pp |