By single year of age, 72.9% of all 16 year olds were undertaking full-time education in 2019 compared with 64.5% of 17 year olds and 55.4% of 18 year olds.
Yn ôl blwyddyn oedran unigol, roedd 72.9% o’r holl bobl ifanc 16 oed mewn addysg lawn amser yn 2019 o gymharu â 64.5% o bobl ifanc 17 oed a 55.4% o bobl ifanc 18 oed.