GDP in Wales increased by 1.6% in October to December 2021 compared with the previous quarter (July to September 2021).
Cynyddodd GDP yng Nghymru 1.6% ym mis Hydref hyd at fis Rhagfyr 2021 o'i gymharu â'r chwarter blaenorol (Gorffennaf i Fedi 2021).