The number of staff actually teaching in Welsh at Welsh Higher Education Institutions (excluding the Open University) has decreased by 4% since 2019/20.
Mae nifer y staff sy’n addysgu drwy gyfrwng y Gymraeg mewn sefydliadau addysg uwch yng Nghymru (ac eithrio’r Brifysgol Agored) wedi gostwng 4% ers 2019/20.