The Central Statistics Office (CSO; Irish: An Phríomh-Oifig Staidrimh) is the statistical agency responsible for the gathering of "information relating to economic, social and general activities and conditions" in the Republic of Ireland (it does not operate in Northern Ireland), in particular the census which is held every five years. The office is answerable to the Taoiseach and has its main offices in Cork. The Director General of the CSO is Jennifer Banim. Source: Wikipedia (en)