The number of people of working age (aged 16 to 64 years old) and children (aged 0 to 15 years old) are projected to decrease in Pembrokeshire Coast and Snowdonia.
Amcanestynnir y bydd nifer y bobl o oedran gweithio (16 i 64 oed) a phlant (rhwng 0 a 15 oed) yn gostwng ar Arfordir Sir Benfro ac Eryri.