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2 The words “also means” in §630(b) add new categories of employers to the ADEA’s reach. First and foremost, the ordinary meaning of “also means” is additive rather than clarifying. See 859 F. 3d 1168, 1171 (case below) (quoting Webster’s New Collegiate Dictionary 34). The words “also means” occur dozens of times throughout the U. S. Code, typically carrying an additive meaning. E. g., 12 U. S. C. §1715z–1(i)(4). Furthermore, the second sentence of the ADEA’s definitional provision, §630(b), pairs States and their political subdivisions with agents, a discrete category that carries no numerical limitation.

Reading the ADEA’s definitional provision, §630(b), as written to apply to States and political subdivisions regardless of size may give the ADEA a broader reach than Title VII, but this disparity is a consequence of the different language Congress chose to employ. The better comparator for the ADEA is the FLSA, which also ranks States and political subdivisions as employers regardless of the number of employees they have. The Equal Employment Opportunity Commission has, for 30 years, interpreted the ADEA to cover political subdivisions regardless of size, and a majority of the States impose age discrimination proscriptions on political subdivisions with no numerical threshold. Pp. 4–6.

859 F. 3d 1168, affirmed.

, delivered the opinion of the Court, in which all other Members joined, except, who took no part in the consideration or decision of the case.