Between mid-2020 and mid-2045, the population of Wales is projected to increase by 4.2%, from 3.17 million to 3.30 million.
Rhwng canol 2020 a chanol 2045, amcanestynnir y bydd poblogaeth Cymru yn cynyddu 4.2%, o 3.17 miliwn i 3.30 miliwn.