Northern Ireland. Northern Ireland (Irish: Tuaisceart ??ireann [??t????u????c??????t???? ??e????????n????]; Ulster-Scots: Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is as a country, province or region. Northern Ireland shares a border to the south and west with the Republic of Ireland. In 2021, its population was 1,903,100, making up about 27% of Ireland's population and about 3% of the UK's population. The Northern Ireland Assembly (colloquially referred to as Stormont after its location), established by the Northern Ireland Act 1998, holds responsibility for a range of devolved policy matters, while other areas are reserved for the UK Government. Northern Ireland cooperates with the Republic of Ireland in several areas.
