The number of children aged under 16 is projected to increase to 572,000 by 2023 before fluctuating between 2024 and 2039, with a population of 567,000 in 2039.
Disgwylir i nifer y plant o dan 16 oed gynyddu i 572,000 erbyn 2023 cyn amrywio rhwng 2024 a 2039, gyda phoblogaeth o 567,000 yn 2039.