在美国，出生公民身份政策的基础是美国宪法第十四修正案的公民身份条款，其中规定“在美国出生或归化的人，并且在其管辖范围内，是公民 美国及其居住国所在的国家。“1868年批准了第十四条修正案，以推翻1857年美国最高法院的德雷德·斯科特诉萨德福德的决定，该决定剥夺了前非裔美国奴隶的公民身份。 美国最高法院在美国最高法院1898年的案件中确认，根据第十四修正案，无论当时父母的公民身份如何，都不能拒绝任何在美国境内出生的人的完整美国公民身份。
In the United States, the birth citizenship policy is based on the citizenship clause of the Fourteenth Amendment to the US Constitution, which states that “a person born or naturalized in the United States, and within his jurisdiction, is the citizen of the United States and his or her country of residence. State. “The Fourteenth Amendment was approved in 1868 to overturn the decision of the 1857 Supreme Court of the United States, Dred Scott v. Sadford, which deprived former African American slaves of citizenship. The US Supreme Court confirmed in the 1898 case of the US Supreme Court that under the Fourteenth Amendment, no matter the citizenship of a parent at the time, the full US citizenship of any person born in the United States cannot be denied. .