In 2021 21,000 people in Wales (0.7%) used a second address outside the UK, which is a decrease compared with 2011 (29,000, 1.0%).
Yn 2021, roedd 21,000 (0.7%) yn defnyddio ail gyfeiriad y tu allan i’r DU, gostyngiad o’i gymharu â 2011 (29,000, 1.0%).