Northern Ireland has had a negative migration trend ever since the 90's. http://www.nisra.gov.uk/archive/demography/population/midyear/historical/mye_report_201

Northern Ireland has had a negative migration trend ever since the 90's. http://www.nisra.gov.uk/archive/demography/population/midyear/historical/mye_report_2011.pdf http://www.nisra.gov.uk/archive/demography/population/midyea... However the birthrate is far outstripping any emmigration losses so they continue to have a largely positive population growth.