Policies introduced by the Welsh Government, coupled with a target for zero waste by 2050 have helped to move Wales up this league table.
Mae polisïau a gyflwynwyd gan Lywodraeth Cymru, ynghyd â tharged ar gyfer dyfodol diwastraff erbyn 2050, wedi helpu i symud Cymru i fyny’r tabl cynghrair hwn.