Even the US distinguishes between citizens and nationals. Most famously, American Samoans are non-citizen nationals: https://en.wikipedia.org/wiki/Citizenship_

Even the US distinguishes between citizens and nationals. Most famously, American Samoans are non-citizen nationals: https://en.wikipedia.org/wiki/Citizenship_of_the_United_States#Distinction_between_citizenship_and_nationality https://en.wikipedia.org/wiki/Citizenship_of_the_United_Stat...