Starting point  The Department of Education and Skills took the initiative to explore the potential of data matching to fill current data gaps following the publication of the National Statistics Board report entitled ‘The Irish Statistics System: The Way Forward and Joined Up Government Needs Joined Up Data’ in December 2011  Undertaken an officer of statistics under the stats act, in the CSO  The tracking was carried out using data matching and was also supplemented with estimations for other destinations for which individualised data was not available 2