The lowest estimated employment rates were in Merthyr Tydfil (68.1%), Rhondda Cynon Taf (68.5%) and Swansea (69.7%).
Roedd y cyfraddau cyflogaeth amcangyfrifedig isaf ym Merthyr Tudful (68.1%), Rhondda Cynon Taf (68.5%) ac Abertawe (69.7%).