This age group (16- to 24-year-olds) includes 9.7% of females and 10.7% of males, compared to 23.6% of females and 21.1% of males in the 65 and over age group.
Mae'r grŵp oedran hwn (16 i 24 oed) yn cynnwys 9.7% o fenywod a 10.7% o wrywod, o gymharu â 23.6% o fenywod a 21.1% o wrywod yn y grŵp oedran 65 a throsodd.