Between mid-2021 and mid-2031, the population of Wales is projected to increase by 5.8% from 3.11 million to 3.29 million.
Rhwng canol 2021 a chanol 2031, amcanestynnir y bydd poblogaeth Cymru yn cynyddu 5.8% o 3.11 miliwn i 3.29 miliwn.