An estimated 8.1% of working age adults in Wales reported having no qualifications compared with 7.4% (r) in 2020.
Dywedodd 8.1% o oedolion o oedran gweithio yng Nghymru, ar amcangyfrif, nad oedd ganddynt unrhyw gymwysterau o gymharu â 7.4% (r) yn 2020.