Crynodeb o'r cais
Immigration and emigration by citizenship and usual occupation prior to migration, 1975 to 2017. Estimates are based on the International Passenger Survey.
/peoplepopulationandcommunity/populationandmigration/internationalmigration/adhocs/009514internationalpassengersurveyestimatesoflongterminternationalimmigrationandemigrationbycitizenshipandusualoccupationpriortomigration1975to2017