Age Structure (Irish 1821 classification)
| Age Groups used in 1821 Irish Census | 1821 |
|---|---|
| 0 to 4 |
5,123
|
| 5 to 9 |
5,262
|
| 10 to 14 |
3,907
|
| 15 to 19 |
4,573
|
| 20 to 29 |
4,961
|
| 30 to 39 |
4,039
|
| 40 to 49 |
2,666
|
| 50 to 59 |
1,720
|
| 60 to 69 |
678
|
| 70 to 79 |
187
|
| 80 to 89 |
42
|
| 90 to 99 |
10
|
| 100 Up |
0
|
| Age unknown |
0
|
| Date: | Source: |
|---|---|
| 1821 | 1821 Census of Ireland, Abstract of answers, Table [2] , 'Ages of Persons' |
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This classification was used in the Enumeration Abstract of the 1821 Irish Census. Unusually, no breakdown by gender was included, and as a single group covers ages 60 to 69 this cannot be mapped to standard definitions of working age.