29.9%: https://en.wikipedia.org/wiki/List_of_sovereign_states_and_dependent_territories_by_immigrant_population https://en.wikipedia.org/wiki/List_of_sovereign_

29.9%: https://en.wikipedia.org/wiki/List_of_sovereign_states_and_dependent_territories_by_immigrant_population https://en.wikipedia.org/wiki/List_of_sovereign_states_and_d... Among non-tiny countries, that's about 10th, between New Zealand and Australia. UAE has 87.9%! Qatar and Kuwait have a high percentage too. In terms of absolute numbers, USA has by far the most, over 50 million, and Germany and Saudi Arabia are next on 13 million.