57% of 16 to 24 year olds are estimated to take part in regular sport, declining to 13% of 75+ year olds.
Amcangyfrifir bod 57% o bobl ifanc 16 i 24 oed yn cymryd rhan mewn chwaraeon rheolaidd, sy’n gostwng i 13% o bobl 75 oed a hŷn.