The lowest estimated employment rates were in Swansea (68.6%), Merthyr Tydfil (68.9%) and Rhondda Cynon Taf (69.8%).
Roedd y cyfraddau cyflogaeth amcangyfrifedig isaf yn Abertawe (68.6%), Merthyr Tudful (68.9%) a Rhondda Cynon Taf (69.8%).