Summary

Constitution of the Republic of Iceland (2018)

An alien can only be granted Icelandic citizenship according to law.
An Icelandic citizen cannot be barred from entering Iceland nor expelled there from. The rights of aliens to enter and reside in Iceland, and the reasons for which they may be expelled, shall be laid down by law.
No one may be barred from leaving Iceland except by judicial decision. A person may however be prevented from leaving Iceland by lawful arrest. Every person lawfully residing in Iceland shall be free to choose his residence and shall enjoy freedom of travel subject to any limitations laid down by law.
Source: Wikisource

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