The projected growth in the population between mid-2021 and mid-2031 is driven by migration with total net migration of 250,000 between mid-2021 and mid-2031.
Mae'r twf a amcanestynnir yn y boblogaeth rhwng canol 2022 a chanol 2032 yn cael ei yrru gan fudo, gyda chyfanswm mudo amcanestynedig net o 271,600 rhwng canol 2022 a chanol 2032.