Also known as: minimum rational review · minimum rationality reviews · rational basis review · rational basis scrutiny
Written by attorneys · grounded in primary & secondary sources — see below
A standard of judicial review under the Equal Protection and Due Process Clauses that upholds legislation if it is rationally related to a legitimate governmental interest. The test requires only that the classification bear a reasonable relationship to a permissible public purpose. Courts applying the standard defer heavily to legislative judgments and uphold laws even when they are underinclusive or overinclusive.
Ming Ma, a physically fit fifty-one-year-old officer, challenges a city rule requiring retirement at age fifty. The city defends the rule as a means to maintain a capable force. The court applies minimum rationality review and upholds the rule because the age limit is rationally related to the legitimate goal of ensuring physical readiness even if some older officers remain fit.
Melissa Mills, a national of a majority-Muslim country, seeks entry for business but is barred by an executive order citing national security. She alleges religious animus. The court applies minimum rationality review and sustains the order because it states a national-security purpose rationally connected to the restrictions despite contrary statements by officials.
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Miguel Mendoza, a state employee, challenges a statute imposing different benefits based on age. He claims the distinction violates equal protection. The court applies minimum rationality review and upholds the classification because it is rationally related to the legitimate goal of allocating resources even if imperfectly drawn.
Mason McCarthy, a state judge facing mandatory retirement at age seventy, sues under the Equal Protection Clause. The state cites the need for younger judges. The court applies minimum rationality review and upholds the age limit because it is rationally related to the legitimate interest in maintaining an energetic judiciary.
Maurice Marshall, an out-of-state insurer, challenges a state tax that favors domestic companies. The state defends the classification as promoting local industry. The court applies minimum rationality review and strikes the tax because the distinction lacks a rational relationship to any legitimate state purpose.
Michael Miller, a state employee over forty, sues under the Age Discrimination in Employment Act for damages. The state asserts sovereign immunity. The court applies minimum rationality review and holds that Congress lacked power under Section 5 to abrogate immunity because age classifications receive only rational-basis scrutiny and the remedy is not congruent and proportional.
Courts applying minimum rationality review defer heavily to legislative judgments and uphold laws that are rationally related to a legitimate purpose even when the classification is underinclusive or overinclusive.
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No. Minimum rationality review does not demand that the legislature choose the least restrictive or most narrowly tailored means. It is enough that the classification is rationally related to a legitimate objective.
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Age is not a suspect classification, so age-based distinctions receive minimum rationality review and are upheld if rationally related to a legitimate governmental interest such as maintaining a physically capable workforce.
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Congress may not use Section 5 to subject states to damages suits for conduct that is constitutional under minimum rationality review. The remedy must be congruent and proportional to a documented pattern of unconstitutional state action.
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…the ground that "[t]he crafting and safeguarding of public morality . . . indisputably is a legitimate government interest under rational basis scrutiny"); Milner v. Apfel , 148 F. 3d 812, 814 (CA7 1998) (citing Bowers for the proposition that "[l]egislatures are permitted to legislate with regard to morality . . . rather than confined…