Mae’r dosbarthiad hwn yn adlewyrchu ein hasesiad diweddaraf o angen cymharol,  ar sail gwybodaeth fanwl am nodweddion demograffig, corfforol, economaidd a chymdeithasol ledled Cymru.
This distribution reflects our most up to date assessment of relative need, based on a wealth of information on demographic, physical, economic and social characteristics across Wales.