one-person, one-vote rule.Constitutional law. The principle that the Equal Protection Clause requires legislative voting districts to have about the same population. Reynolds v. Sims, 377 U.S. 533, 84 S.Ct. 1362 (1964). — Also termed one-man, one-vote rule. See APPORTIONMENT.

[Cases: Constitutional Law 225.3(2). C.J.S. Constitutional Law § 818.]

[Blacks Law 8th]