Healthy life expectancy at birth, including technical information about the measures, is published by the Public Health Wales Observatory (PHW).
Mae disgwyliad oes iach adeg geni, gan gynnwys gwybodaeth dechnegol am y mesurau, yn cael ei gyhoeddi gan Arsyllfa Iechyd Cyhoeddus Cymru (Iechyd Cyhoeddus Cymru).