The number of children adopted has decreased each year from a high of 385 children adopted during 2014-15, with the exception of 2021-22.
Gwelwyd gostyngiad yng nghanran y siaradwyr Cymraeg ym mhob grŵp oedran rhwng 2013-15 a 2019-20, ac eithrio’r rhai 45 i 64 oed.