Cafodd Deddf Llesiant Cenedlaethau'r Dyfodol (Cymru) 2015 Gydsyniad Brenhinol ym mis Ebrill 2015, gan helpu i roi Cymru ar lwybr mwy cynaliadwy tuag at gyflawni llesiant. Gosododd y Ddeddf saith nod llesiant i Gymru. Nodau i sicrhau Cymru fwy cyfartal, lewyrchus, gydnerth, iachach, sy'n gyfrifol ar lefel fyd-eang, gyda chymunedau cydlynus, ag iddi ddiwylliant bywiog lle mae'r Gymraeg yn ffynnu, oedd y rhain.
The Well-being of Future Generations (Wales) Act 2015 received Royal Assent in April 2015, helping place Wales on a more sustainable path towards achieving well-being. The Act put in place seven well-being goals for Wales. These were for a more equal, prosperous, resilient, healthier and globally responsible Wales, with cohesive communities and a vibrant culture and thriving Welsh language.