[1] 1,243,649 people aged 18 and over were eligible to vote, and 51.3% of the electorate turned out.

[2] All voters were required to present one piece of photographic ID in order to cast a vote at the polling station.

[5] These operated in shadow form until Wednesday 1 April 2015, with the current 26 councils existing in parallel until then.

[1] The 11 new councils, with links to the official lists of candidates standing ("statements of persons nominated"),[6] are: The local government reorganisation and electoral administration was mandated by the Local Government Act (Northern Ireland) 2014.

However, psephologist Nicholas Whyte has calculated a baseline by which to judge the parties' relative performance.