Age Structure (Irish 1821 classification)

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Age Groups used in 1821 Irish Census 1821
0 to 4 4,873 Show data context
5 to 9 5,260 Show data context
10 to 14 4,550 Show data context
15 to 19 4,747 Show data context
20 to 29 6,492 Show data context
30 to 39 4,304 Show data context
40 to 49 2,900 Show data context
50 to 59 2,117 Show data context
60 to 69 1,096 Show data context
70 to 79 334 Show data context
80 to 89 91 Show data context
90 to 99 14 Show data context
100 Up 4 Show data context
Age unknown 213 Show data context
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.

How to reference this page:

GB Historical GIS / University of Portsmouth, Magunihy IrlBarony through time | Population Statistics | Age Structure (Irish 1821 classification), A Vision of Ireland through Time.


Date accessed: 30th May 2024