dual citizen
The Foreign Office estimates that 80,000 British-Pakistani dual nationals are in Pakistan at any one time, mostly for holidays and weddings.
Born in Iran, she is a dual national who has spent decades in the United States.
He has extensive business experience in both Europe and the United States, and is a UK-US dual national.

SMART Vocabulary: related words and phrases

Countries, nationalities & continents: country & nation
birthright citizenship
body politic
BRICS
citizen
compatriot
cross-border
cross-national
denaturalize
domestic
dual
fatherland
internationalism
native
non-country
non-domestic
non-indigenous
non-national
noncitizen
statehood
stateless