jus sanguinis

…regardless of parental citizenship; and jus sanguinis, whereby a person, wherever born, is a citizen of the state if, at the time of his or her birth, his or her parent is one. The United States and the countries of the British Commonwealth adopt the jus soli as their basic…

…based on a principle of jus sanguinis (“right of blood”), which allocates citizenship based on the individual’s organic ties (through family decent) to the national community and the homeland. In contrast, citizenship allocation based on a principle of jus soli (“right of the soil”) presupposes a civic-republican conception of the…

It differs from jus sanguinis (“right of blood”), which grants citizenship on the basis of the citizenship possessed by one’s parent or parents. By the early 21st century, 35 countries were granting unrestricted birthright citizenship, and an additional 40 countries were providing birthright citizenship with restrictions, such as…