Benefits of effective & productive using of administrative data for statistical purposes cheaper lower respondents’ burden less labour consuming complete coverage producing of statistics more frequently with no respondents’ burden & no or little extra costs Haga, 2015 Workshop on the Modernisation of Official Statistics

Barriers timeliness administrative units vs. statistical units different definitions of variables missing data different classification systems inconsistency between sources Administrative data are data which aren't primarily collected for statistical purposes Haga, 2015 Workshop on the Modernisation of Official Statistics

Also we should remember We need to exchange experiences learn from others perform international, collaborative projects Also we should remember about benefits and that barriers are only problems to overcome Haga, 2015 Workshop on the Modernisation of Official Statistics