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 South Plympton, accounting for 9.2% (432 people). This share was higher than Marion (C) (7.7%). Since 2016, the biggest change was in 25 to 29 year olds, which increased by 96 people and 1.1 percentage points.
Section overview
Age structure - Five year age groups
South Plympton - Total persons (Usual residence)
This table summarises five year age groups for South Plympton in 2021 for persons, with comparison against Marion (C) and change since 2016.
Age structure - Five year age groups snapshot
2021 distribution by category for South Plympton, with comparison markers for Marion (C).
0 to 4
2021 count
269
% of total
5.7%
Change from 2016
-0.4pp
269
5.7%
-0.4pp
5 to 9
2021 count
251
% of total
5.3%
Change from 2016
+0.1pp
251
5.3%
+0.1pp
10 to 14
2021 count
211
% of total
4.5%
Change from 2016
+0.1pp
211
4.5%
+0.1pp
15 to 19
2021 count
210
% of total
4.4%
Change from 2016
-0.4pp
210
4.4%
-0.4pp
20 to 24
2021 count
333
% of total
7.1%
Change from 2016
+0.2pp
333
7.1%
+0.2pp
25 to 29
2021 count
426
% of total
9.0%
Change from 2016
+1.1pp
426
9.0%
+1.1pp
30 to 34
2021 count
432
% of total
9.2%
Change from 2016
0.0pp
432
9.2%
0.0pp
35 to 39
2021 count
373
% of total
7.9%
Change from 2016
+0.8pp
373
7.9%
+0.8pp
40 to 44
2021 count
296
% of total
6.3%
Change from 2016
-0.9pp
296
6.3%
-0.9pp
45 to 49
2021 count
275
% of total
5.8%
Change from 2016
-0.6pp
275
5.8%
-0.6pp
50 to 54
2021 count
275
% of total
5.8%
Change from 2016
-0.1pp
275
5.8%
-0.1pp
55 to 59
2021 count
225
% of total
4.8%
Change from 2016
-1.7pp
225
4.8%
-1.7pp
60 to 64
2021 count
276
% of total
5.8%
Change from 2016
+0.5pp
276
5.8%
+0.5pp
65 to 69
2021 count
241
% of total
5.1%
Change from 2016
+0.3pp
241
5.1%
+0.3pp
70 to 74
2021 count
194
% of total
4.1%
Change from 2016
+0.8pp
194
4.1%
+0.8pp
75 to 79
2021 count
127
% of total
2.7%
Change from 2016
0.0pp
127
2.7%
0.0pp
80 to 84
2021 count
128
% of total
2.7%
Change from 2016
+0.1pp
128
2.7%
+0.1pp
85 and over
2021 count
147
% of total
3.1%
Change from 2016
-0.3pp
147
3.1%
-0.3pp
Chart view
Age structure - Five year age groups change
Absolute change in category counts between 2016 and 2021.
0 to 4
+14
-0.4pp
5 to 9
+32
+0.1pp
10 to 14
+26
+0.1pp
15 to 19
+10
-0.4pp
20 to 24
+45
+0.2pp
25 to 29
+96
+1.1pp
30 to 34
+48
0.0pp
35 to 39
+78
+0.8pp
40 to 44
-3
-0.9pp
45 to 49
+8
-0.6pp
50 to 54
+29
-0.1pp
55 to 59
-45
-1.7pp
60 to 64
+56
+0.5pp
65 to 69
+40
+0.3pp
70 to 74
+56
+0.8pp
75 to 79
+14
0.0pp
80 to 84
+19
+0.1pp
85 and over
+3
-0.3pp
Data table
Five year age groups for South Plympton. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Marion (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Marion (C)% | Count | % | Marion (C)% | Count | pp | |
| 0 to 4 | 269 | 5.7% | 5.4% | 255 | 6.1% | 5.9% | +14 | -0.4pp |
| 5 to 9 | 251 | 5.3% | 5.6% | 219 | 5.2% | 5.4% | +32 | +0.1pp |
| 10 to 14 | 211 | 4.5% | 5.2% | 185 | 4.4% | 4.9% | +26 | +0.1pp |
| 15 to 19 | 210 | 4.4% | 5.1% | 200 | 4.8% | 5.7% | +10 | -0.4pp |
| 20 to 24 | 333 | 7.1% | 6.7% | 288 | 6.9% | 7.2% | +45 | +0.2pp |
| 25 to 29 | 426 | 9.0% | 7.4% | 330 | 7.9% | 7.3% | +96 | +1.1pp |
| 30 to 34 | 432 | 9.2% | 7.7% | 384 | 9.2% | 7.5% | +48 | 0.0pp |
| 35 to 39 | 373 | 7.9% | 7.5% | 295 | 7.1% | 6.8% | +78 | +0.8pp |
| 40 to 44 | 296 | 6.3% | 6.6% | 299 | 7.2% | 6.4% | -3 | -0.9pp |
| 45 to 49 | 275 | 5.8% | 6.1% | 267 | 6.4% | 6.3% | +8 | -0.6pp |
| 50 to 54 | 275 | 5.8% | 5.9% | 246 | 5.9% | 6.4% | +29 | -0.1pp |
| 55 to 59 | 225 | 4.8% | 5.9% | 270 | 6.5% | 6.6% | -45 | -1.7pp |
| 60 to 64 | 276 | 5.8% | 6.1% | 220 | 5.3% | 6.2% | +56 | +0.5pp |
| 65 to 69 | 241 | 5.1% | 5.7% | 201 | 4.8% | 5.2% | +40 | +0.3pp |
| 70 to 74 | 194 | 4.1% | 4.8% | 138 | 3.3% | 3.7% | +56 | +0.8pp |
| 75 to 79 | 127 | 2.7% | 3.3% | 113 | 2.7% | 2.9% | +14 | 0.0pp |
| 80 to 84 | 128 | 2.7% | 2.3% | 109 | 2.6% | 2.4% | +19 | +0.1pp |
| 85 and over | 147 | 3.1% | 2.9% | 144 | 3.4% | 3.1% | +3 | -0.3pp |
| Total | 4,721 | 100.0% | 100.0% | 4,174 | 100.0% | 100.0% | +547 | 0.0pp |