The Constitution of Barbados defined citizens of Barbados as those born on the island before 1966 who were Citizens of the UK and Colonies (CUKCs) at the time of independence, or those born overseas as children of fathers who were or would have been citizens of Barbados but for their death. The constitution also allows for acquisition of citizenship through registration for Commonwealth citizens after seven years ordinary and lawful residence. Citizenship can also be acquired through marriage. According to the constitution, there is no requirement of residency or duration of marriage, rather the woman must take an oath of allegiance. The Constitution did not foresee Barbadian women marrying non-citizen men.
Legally, citizens of Barbados are Commonwealth citizens and also enjoy certain privileges as citizens of a member state of CARICOM. Barbados will soon follow Suriname and other CARICOM nations in issuing passports that bear the emblem of the organisation.
Persons connected with Barbados at independence may have retained citizenship of the UK and Colonies if: