Please see the quality section of the statistical release Participation of young people in education and the labour market and Young people not in education, employment or training (NEET).
Gweler adran ansawdd y datganiad ystadegol, Cyfranogiad pobl ifanc mewn addysg a'r farchnad lafur, a'r bwletin ystadegol ar gyfer Pobl ifanc nad ydynt mewn addysg, cyflogaeth na hyfforddiant (NEET).