It is estimated that the number of one-person households increased across Wales between mid-2019 and mid-2020, and that they continued to be the most common household type.
Amcangyfrifir bod nifer yr aelwydydd un person wedi cynyddu ledled Cymru rhwng canol 2019 a chanol 2020, ac mai nhw yw’r math mwyaf cyffredin o aelwyd o hyd.