Mae ffigurau diweddaraf y Swyddfa Gartref yn awgrymu bod y mwyafrif o’r bobl sydd angen gwneud cais wedi gwneud hynny, ond credir bod rhai grwpiau, a all gynnwys pobl agored i niwed neu’r henoed neu bobl sydd wedi byw yma ers blynyddoedd maith, nad ydynt yn ymwybodol bod angen iddynt wneud cais, neu sydd â phryderon am wneud cais.
Latest Home Office figures suggest the majority of those who need to apply have done so, but believe there are still groups, potentially including vulnerable or elderly citizens or those who have been here for many years, who may be unaware they need to apply or have concerns about doing so.