Powys had the lowest GVA per hour worked of all the areas in the UK in 2018 (59.7% of the UK figure) and Conwy and Denbighshire had the third lowest (70.0% of the UK figure).
Powys oedd yr ardal â’r GYC isaf fesul awr a weithiwyd o’r 174 ardal yn y DU yn 2018 (sef 59.7% o ffigur y DU), a Conwy a Sir Ddinbych oedd y trydydd isaf (gyda 70.0% o ffigur y DU).