CaseTrail

Immigration, loss of citizenship or denaturalization: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Immigration, loss of citizenship or denaturalization,” part of the Civil Rights area.

28decisions
61%favorable to the petitioner
21%unanimous
6altered precedent or struck a law

Decisions by decade

1940s2
1950s12
1960s9
1970s2
1980s2
2010s1

Most majority opinions

Legal provisions most often involved

Immigration and Nationality statutes17
Federal Rules of Civil or Appellate Procedure4
Fourteenth Amendment (citizenship clause)2
18 USC 14251
Estoppel1
28 U.S.C. § 22821
34 Stat. 12281

All 28 decisions, newest first

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error