Mae’r data blynyddol am y rhai a ddechreuodd ar gyrsiau Addysg Gychwynnol Athrawon (AGA) a arweiniodd at Statws Athro Cymwysedig (SAC) yn ystod blwyddyn academaidd 2020 i 2021. Cyrsiau AGA sy'n arwain at SAC yw'r prif lwybr i ddod yn athro yng Nghymru.
The annual data is for entrants onto Initial Teacher Education (ITE) courses that led to Qualified Teacher Status (QTS) in the academic year 2020 to 2021. ITE courses that lead to QTS are the main route to becoming a teacher in Wales.