While marriage rates had been declining since 2016, the large decrease between 2019 and 2020 is likely due to the pandemic restrictions that were in place for parts of the year.
Er bod cyfraddau priodi wedi bod yn gostwng ers 2016, mae’r gostyngiad mawr rhwng 2019 a 2020 yn debygol o fod oherwydd cyfyngiadau’r pandemig a oedd mewn grym yn ystod rhannau o’r flwyddyn.