2011 census of Ireland
It was administered by the Central Statistics Office of Ireland and found the population to be 4,588,252 people.The Irish government met on 11 December 2009 and scheduled the census to take place on 10 April 2011.[5][6][7][8] The Central Statistics Office hired a temporary field force of 5,500 people.The recruitment was performed in a pyramid structure, with 50 senior managers, 440 field supervisors, and 5,000 enumerators hired in succession.The 5,000 census enumerator positions were advertised on 29 December 2010, and these worked for ten weeks from 8 March 2011.