On 30 June 2021 there were estimated to be around 3,105,000 people living in Wales, an increase of 1.4% since mid-2011 (around 42,000 more people).
Ar 30 Mehefin 2021 amcangyfrifwyd yr oedd tua 3,105,000 o bobl yn byw yng Nghymru, cynnydd o 1.4% ers canol 2011 (tua 42,000 yn fwy o bobl).