You might have heard about the recent census results showing a decline of almost 24,000 in the number of Welsh speakers (to a total of 538,000).
Efallai eich bod chi ‘di clywed am ganlyniadau’r cyfrifiad diweddar yn dangos gostyngiad o bron i 24,000 yn nifer y siaradwyr Cymraeg (i gyfanswm o 538,000).