The populations of the Brecon Beacons and Pembrokeshire Coast are projected to increase by 3.5% (1,190) and 2.5% (550) respectively.
Amcanestynnir y bydd poblogaethau Bannau Brycheiniog ac Arfordir Penfro yn cynyddu 3.5% (1,190) a 2.5% (550) yn y drefn honno.