14th Amendment jus soli + EO-14160 overlay

Several U.S.-born cohorts warrant distinct treatment. (1) Children of undocumented or temporary-status parents: under the operative law (Wong Kim Ark + sec. 1401(a)) they are citizens at birth; this is precisely the cohort EO 14160 targets, tracked separately as the watch route US-PND-01. (2) Children of accredited diplomats: NOT citizens at birth (the diplomatic exclusion). (3) Foundlings discovered in the U.S. under age 5: citizens under INA sec. 301(f) = 8 USC sec. 1401(f) unless shown before age 21 not to have been born in the U.S. (the principal domestic statelessness-mitigation device, given the U.S. is neither party nor signatory to the 1954/1961 statelessness conventions). (4) Native Americans born in the U.S.: citizens under sec. 301(b) = 8 USC sec. 1401(b) (Indian Citizenship Act of 1924), with tribal/property rights unimpaired (see US-HIS-02). (5) Children born in U.S. territories: governed by statutory jus soli (US-BTH-02) or non-citizen-national status for American Samoa (US-BTH-03), NOT by the 14th Amendment directly.

Good moral character is NOT an element of jus soli citizenship. Unlike naturalization (US-NAT-01/02), where INA sec. 316 = 8 USC sec. 1427 requires good moral character and attachment to the Constitution, birthright citizenship under sec. 1401(a) attaches at birth regardless of the person's later conduct, criminal record, or character. A U.S.-born citizen who commits serious crimes remains a citizen (subject to the criminal law, not to loss of citizenship). The only character- or conduct-based loss mechanisms — the totalitarian-organization bar (sec. 313), the good-moral-character requirement (sec. 316), and denaturalization for fraud (sec. 340) — operate on naturalization applicants and naturalized citizens, not on persons who are citizens by U.S. birth. This is a defining structural feature of jus soli: it is unconditional and not revocable for bad character. The only voluntary exit is renunciation/relinquishment with intent under sec. 349 (US-XCT-01).

Because jus soli citizenship attaches automatically at birth, proof is ordinarily simple: a state- or territory-issued U.S. birth certificate establishing birth on U.S. soil is the primary evidence, supplemented by hospital records, contemporaneous public records, or (in edge cases) delayed birth registration. No durational residence, parental immigration status, or affirmative filing is needed for the citizenship to exist. Where documentary proof of U.S. birth is unavailable or disputed, the person may apply for a U.S. passport (Department of State) or a Certificate of Citizenship (USCIS Form N-600), in either case bearing the burden to prove U.S. birth by a preponderance of the evidence (8 CFR sec. 341.2 for the N-600). For the diplomatic-child exclusion, evidence of the parent's accredited diplomatic status at the time of birth is dispositive of non-acquisition. The declaratory-citizenship remedy under INA sec. 360 = 8 USC sec. 1503 is available where a person is denied a right or privilege as a U.S. national on the ground that he is not a national.

For a U.S.-born person, no procedure is required to BE a citizen — citizenship vests at birth. To DOCUMENT it: (1) obtain the state/territorial birth certificate; (2) for a passport, file Form DS-11 with the Department of State, presenting the birth certificate and identity documents; (3) for a Certificate of Citizenship, file USCIS Form N-600 (declaratory, not constitutive), satisfying 8 CFR sec. 341.2's preponderance standard. There is no oath, residency, or test for U.S.-soil citizens. If a federal agency refuses to recognize citizenship (the scenario EO 14160 would have created had it taken effect), the person's recourse is administrative review of the passport/N-600 denial and, ultimately, a declaratory-judgment action under INA sec. 360 = 8 USC sec. 1503, or defense against any removal action on the ground that a U.S. citizen is not removable. As of 2026-06-01, because EO 14160 is blocked and never effective, agencies must continue to recognize U.S.-born children as citizens under sec. 1401(a).

Citizenship status itself is instantaneous at birth and requires no processing. Documentation timelines vary: a U.S. passport (DS-11) is typically issued within several weeks of a complete application (routine vs. expedited service offered by the Department of State); a Certificate of Citizenship (N-600) is a USCIS adjudication that can take several months to over a year depending on field-office workload, though for a U.S.-born person the N-600 is rarely necessary because the birth certificate already proves citizenship. A declaratory-judgment action under 8 USC sec. 1503 proceeds on the federal civil-litigation calendar and is litigation-dependent. There is no statutory waiting period or residency clock for jus soli citizenship. Note: this route does not carry route-specific USCIS processing-time fee data from the Evidence Table beyond the documentary forms; any specific N-600 or passport processing figure must be verified against current USCIS/DOS posted times rather than asserted from training data (no pinned numeric timeline for this route).

Birthright citizenship in the U.S. inherited the English common-law jus soli rule (allegiance owed by birth within the sovereign's territory, per Calvin's Case logic) carried into the early Republic. The Civil Rights Act of 1866 (14 Stat. 27) first declared by statute that persons born in the United States and not subject to a foreign power are citizens, responding directly to Dred Scott (1857). The Fourteenth Amendment (ratified 9 Jul 1868) lifted that guarantee into the Constitution. The Reconstruction-era understanding was tested by the Chinese Exclusion era: although the Chinese Exclusion Act of 1882 barred Chinese naturalization, Wong Kim Ark (1898) held that the children of such barred aliens, if born on U.S. soil, were citizens by birth. Native Americans were brought within jus soli by the Indian Citizenship Act of 1924 (overriding Elk v. Wilkins). Through the Nationality Act of 1940 and the INA of 1952, the constitutional rule was carried into statute without substantive change. As of 2026-06-01 the rule's substance is the same as in 1898; the only live contest is the EO 14160 interpretive challenge.

The litigation arc over EO 14160 runs through several tracks. In Trump v. CASA, Inc., 606 U.S. 831 (No. 24A884, decided 27 Jun 2025; Barrett, J.; 6-3), the Supreme Court addressed ONLY the equitable scope of universal/nationwide injunctions and EXPRESSLY did not reach the merits of the Citizenship Clause or the validity of the EO. After CASA, the nationwide block runs through a Rule 23 class-wide preliminary injunction in Barbara v. Trump, No. 1:25-cv-00244 (D.N.H., class PI 10 Jul 2025), which survives the universal-injunction limitation as a class remedy. The Ninth Circuit, in State of Washington v. Trump, No. 25-807 (9th Cir. 23 Jul 2025), held the EO unconstitutional on the merits. CRS Legal Sidebar LSB11414 (updated 3 Apr 2026) records that every court reaching the merits has ruled against the EO. The merits are now before the Supreme Court (next section). A claimant denied recognition of citizenship has the standard remedies: a Certificate of Citizenship application (N-600) and, on denial, a declaratory-judgment action under INA sec. 360 = 8 USC sec. 1503.

U.S. law tolerates dual nationality and does not require a U.S.-born citizen to choose between the United States and another nationality acquired at birth (for example, by descent from foreign-citizen parents or by the other country's jus sanguinis rules). A U.S.-born child of foreign nationals frequently holds both U.S. citizenship (jus soli) and the parents' nationality (jus sanguinis) simultaneously, and the United States imposes no automatic loss for merely holding or using a second nationality. Loss of U.S. citizenship requires a voluntary expatriating act performed with the specific intent to relinquish U.S. nationality (Afroyim v. Rusk, 387 U.S. 253 (1967); Vance v. Terrazas, 444 U.S. 252 (1980); INA sec. 349 = 8 USC sec. 1481), which is the subject of US-XCT-01. Holding a foreign passport, voting abroad, or routine use of another citizenship does not, without the requisite intent, expatriate a U.S.-born citizen.