Source
C 1981 V1 T9b — 09B. Population changes in the Aggregate Town Areas and Aggregate Rural Areas and average annual rate of estimated net migration for each planning region for the periods 1971 - 1981 and 1979 - 1981
C 1981 V1 T9b — 09B. Population changes in the Aggregate Town Areas and Aggregate Rural Areas and average annual rate of estimated net migration for each planning region for the periods 1971 - 1981 and 1979 - 1981, published by CSO.