Segregation in Northern Ireland

Segregation in Northern Ireland is a long-running issue in the political and social history of Northern Ireland. The segregation involves Northern Ireland's two main communities – its nationalist/republican community (mainly nationalist and/or Catholic) and its unionist/loyalist community (who mainly self-identify as unionist and/or Protestant). It is often seen as both a cause and effect of "The Troubles".

A combination of political, religious and social differences plus the threat of intercommunal tensions and violence has led to widespread self-segregation of the two communities. Catholics and Protestants lead largely separate lives in a situation that some have dubbed "self-imposed apartheid". The academic John Whyte argued that "the two factors which do most to divide Protestants as a whole from Catholics as a whole are endogamy and separate education".