Opinion of the Court
establishes a "legally mandatory, rebuttable presumption," Burdine, supra, at 254, n. 7. The element of replacement by someone under 40 fails this requirement. The discrimination prohibited by the ADEA is discrimination "because of [an] individual's age," 29 U. S. C. § 623(a)(1), though the prohibition is "limited to individuals who are at least 40 years of age," § 631(a). This language does not ban discrimination against employees because they are aged 40 or older; it bans discrimination against employees because of their age, but limits the protected class to those who are 40 or older. The fact that one person in the protected class has lost out to another person in the protected class is thus irrelevant, so long as he has lost out because of his age. Or to put the point more concretely, there can be no greater inference of age discrimination (as opposed to "40 or over" discrimination) when a 40-year-old is replaced by a 39-year-old than when a 56-year-old is replaced by a 40-year-old. Because it lacks probative value, the fact that an ADEA plaintiff was replaced by someone outside the protected class is not a proper element of the McDonnell Douglas prima facie case.
Perhaps some courts have been induced to adopt the principle urged by respondent in order to avoid creating a prima facie case on the basis of very thin evidence—for example, the replacement of a 68-year-old by a 65-year-old. While the respondent's principle theoretically permits such thin evidence (consider the example above of a 40-year-old replaced by a 39-year-old), as a practical matter it will rarely do so, since the vast majority of age-discrimination claims come from older employees. In our view, however, the proper solution to the problem lies not in making an utterly irrelevant factor an element of the prima facie case, but rather in recognizing that the prima facie case requires "evidence adequate to create an inference that an employment decision was based on a[n] [illegal] discriminatory criterion . . . ." Teamsters v. United States, 431 U. S. 324, 358 (1977) (empha-Page: Index Previous 1 2 3 4 5 6 Next
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