A 2009 BBC survey found around 30,000 young workers aged 13 to 16 in some form of employment across England and Wales, with only a small proportion in agriculture.
Canfu arolwg gan y BBC yn 2009 fod tua 30,000 o weithwyr ifanc rhwng 13 ac 16 oed mewn rhyw fath o gyflogaeth ledled Cymru a Lloegr.