For more detailed information on people and population trends, please view slides 8 to 31 of the Future Trends Report Wales 2021 Evidence Pack.
I gael gwybodaeth fanylach am dueddiadau mewn perthynas â phobl a'r boblogaeth, gweler sleidiau 8 i 31 ym Mhecyn Tystiolaeth Adroddiad Tueddiadau'r Dyfodol Cymru 2021.