> Also ~95% of countries don't have unconditional birthright citizenship

The map of which countries have jus soli is pretty interesting: https://en.wikipedia.org/wiki/Jus_soli

>Jus soli is the predominant rule in the Americas; explanations for this geographical phenomenon include the establishment of lenient laws by past European colonial powers to entice immigrants from the Old World and displace native populations in the New World, along with the emergence of successful wars of independence movements that widened the definition and granting of citizenship, as a prerequisite to the abolishment of slavery since the 19th century.[5]

>There are 35 countries that provide citizenship unconditionally to anyone born within their national borders.

>