The first wave of national milestones were set in December 2021 and will be reported on in this year’s Well-being of Wales report where data is available.
Pennwyd y gyfres gyntaf o gerrig milltir cenedlaethol ym mis Rhagfyr 2021, ac fe adroddir arnynt yn adroddiad Llesiant Cymru eleni lle bo data ar gael.