1971 United Kingdom census
The United Kingdom Census 1971 was a census of the United Kingdom of Great Britain and Northern Ireland carried out on 25 April 1971. The census will be released after 100 years.
According to the preliminary general results of the census, the population of the United Kingdom on 25 April 1971 was as follows:
| Northern Ireland||1,536,065||754,676||781,389|
| Channel Islands||125,240||60,805||64,435|
| Isle of Man||49,743||23,007||26,736|
| United Kingdom (total)||55,573,956||27,006,775||28,567,181|