In Census 2021, around 1,380 Welsh speakers aged 16 years and over recorded that their gender identity was different to their sex registered at birth.
Yng Nghyfrifiad 2021, nododd tua 1,380 o siaradwyr Cymraeg 16 oed neu hŷn fod eu hunaniaeth rhywedd yn wahanol i'r rhyw a gofrestrwyd adeg eu geni.