Andorran nationality law is based primarily on the principle of jus sanguinis.

Eligibility for Andorran citizenship

By descent

Children born to recognised parents who were Andorran citizens at the time of birth (regardless of the place of birth) are eligible for Andorran citizenship.

By birth

Children born in Andorra under any one of the following conditions are eligible for Andorran citizenship:

By naturalisation

Those seeking to become Andorran citizens via naturalisation are required to fulfill the following criteria:

Loss of citizenship

If an Andorran citizen serves in the armed forces or government of another country or takes up a foreign citizenship, they automatically forfeit their Andorran citizenship. Former Andorran citizens may restore their former citizenship if their request to the government is successful. Any Andorran may live in France without requesting a visa.

Dual nationality

Dual nationality is strictly forbidden by Andorran law. On the other hand, Spanish law recognizes dual nationality with Andorra.