Perez was born in El Paso, Texas, and was a U.S. citizen by birth. He moved to and resided in Mexico for many years. While living there, he registered and voted in at least one Mexican political election during the 1940s. When he later sought to travel as a U.S. national, the State Department determined that by voting in a foreign political election he had lost his U.S. citizenship under Section 401(e) of the Nationality Act of 1940, which provided for expatriation upon voting in a foreign election. Perez asserted that he had never intended to relinquish his U.S. citizenship and challenged the government's determination in court, arguing that Congress lacked constitutional authority to strip citizenship for such conduct and that, in any event, loss of nationality could not be imposed absent proof of an intent to expatriate.
Does Congress have constitutional authority to provide for loss of U.S. citizenship when a citizen voluntarily votes in a foreign political election, even absent proof of a specific intent to relinquish nationality?
As articulated in Perez (later overruled), Congress may, pursuant to its implied foreign affairs powers and the Necessary and Proper Clause, prescribe loss of nationality for certain voluntary acts—such as voting in a foreign political election—without requiring proof of a subjective intent to relinquish citizenship. The Fourteenth Amendment's Citizenship Clause does not bar Congress from attaching loss-of-citizenship consequences to voluntary conduct that Congress deems inimical to the national interest in foreign relations. See Nationality Act of 1940 § 401(e) (later codified at 8 U.S.C. § 1481).
Yes. The Supreme Court upheld the constitutionality of Section 401(e) and held that a U.S. citizen may lose citizenship by voluntarily voting in a foreign political election, even without proof of a specific intent to renounce citizenship.
The majority (Justice Frankfurter) grounded its analysis in the national government's primacy in foreign affairs. It reasoned that Congress possesses broad, implied authority to safeguard the nation's conduct and posture abroad, including the power to minimize international friction and avoid the appearance of U.S. involvement in the internal politics of other nations. Voting in a foreign political election was seen as conduct that could embroil the United States in diplomatic controversy or undermine neutrality; Congress could reasonably conclude that such behavior implicated national interests and therefore attach the consequence of expatriation to it. The Court rejected the contention that the Fourteenth Amendment's Citizenship Clause rigidly insulates citizens from loss of nationality except by consent. In the majority's view, the Clause confers citizenship but does not immunize citizens from consequences that Congress, exercising its foreign affairs authority in conjunction with the Necessary and Proper Clause, deems appropriate for conduct with substantial foreign relations implications. The majority also declined to require proof of a subjective intent to relinquish citizenship, holding that Congress could treat the voluntary commission of a specified act—here, foreign political voting—as sufficient to effect expatriation. The Court emphasized that the statute targeted voluntary conduct and was regulatory, not punitive, thereby distinguishing its rationale from Eighth Amendment concerns addressed in Trop v. Dulles (decided the same day), which invalidated expatriation as a punishment for military desertion. Finally, the majority concluded that the statute was rationally related to legitimate governmental ends in foreign relations and comported with due process.
Perez exemplifies a period in which the Court afforded Congress broad leeway to define expatriating acts as a tool of foreign affairs management. Its core holdings—no requirement of specific intent and the constitutionality of expatriation for foreign voting—were repudiated in Afroyim v. Rusk (1967), which held that the Fourteenth Amendment bars involuntary loss of citizenship. Nonetheless, Perez remains instructive for understanding (1) the evolution of citizenship doctrine, (2) the foreign affairs power and its implied scope, (3) the Court's efforts to distinguish regulatory measures from punishment in nationality law, and (4) how constitutional meaning can shift over time through competing interpretive methodologies.
Perez v. Brownell is a landmark in the constitutional history of citizenship, crystallizing a once-prevailing view that Congress could deploy expatriation as a regulatory instrument of foreign policy. By deeming voluntary participation in foreign political elections sufficient to sever the bond of American nationality, the Court emphasized structural considerations—national unity in foreign affairs and deference to congressional judgments—over a consent-based conception of citizenship.