Further breakdowns of the gap in life expectancy and healthy life expectancy by health board and local authority can be found in the further reading section below.
Mae rhagor o ddadansoddiadau o’r bwlch mewn disgwyliad oes a disgwyliad oes iach gan y bwrdd iechyd a’r awdurdod lleol i’w gweld yn yr adran deunydd darllen pellach isod.