As at December 2011, the number of regular army personnel based at each location in Northern Ireland was as follows:
|Joint Helicopter Command Flying Station Aldergrove,||1,000|
|Abercorn Barracks, Ballykinler||650|
|Thiepval Barracks, Lisburn||1,120|
|Palace Barracks, Holywood||670|
|(1) Rounded to the nearest 10.|
In addition there were some 50 regular army personnel serving at reserve forces locations throughout Northern Ireland.