Birth to a Guinea-Bissau parent creates nationality. Birth in Guinea-Bissau alone to two foreign parents is not unrestricted jus soli under the modeled framework.
not verified against primary law — Not verified against primary law.
A foreign spouse may naturalize after three years of marriage and one year of residence.
A child of a Guinea-Bissau parent is a national under the constitutional nationality framework and nationality statute.
Adults generally need about 6 years lawful residence before ordinary naturalization, plus character, language or integration, and other statutory conditions. Grant is discretionary under the nationality law.
estimated, not read from law — Residence floor modeled from the ordinary naturalization track in comparative nationality sources against the constitutional framework; case-check the current nationality statute for reductions and renunciation rules.