On 18 March, the ONS published estimates of the very old, including centenarians, for Wales and England from 2002 to 2023.
Ar 18 Mawrth, cyhoeddodd y SYG amcangyfrifon o'r boblogaeth hen iawn, gan gynnwys y rhai dros gant oed, ar gyfer Cymru a Lloegr rhwng 2002 a 2023.