
The map above looks at the change in demographics on the island of Ireland in 1841 (just before the Great potatoes famine) and 2021/22 the date of the last censuses for the two parts of the island today.
In 1841 the island was firmly part of the United Kingdom of Great Britain and Ireland. Today the island is divided between the Republic of Ireland and Northern Ireland (part of the United Kingdom).
More about the comparison below:







