Cite as: 570 U. S. ____ (2013) 17 Opinion of the Court justifying that requirement have dramatically improved. We have also previously highlighted the concern that “the preclearance requirements in one State [might] be unconstitutional in another.” Northwest Austin, 557 U. S., at 203; see Georgia v. Ashcroft, 539 U. S., at 491 (KENNEDY, J., concurring) (“considerations of race that would doom a redistricting plan under the Fourteenth Amendment or §2 [of the Voting Rights Act] seem to be what save it under §5”). Nothing has happened since to alleviate this troubling concern about the current application of §5. Respondents do not deny that there have been improvements on the ground, but argue that much of this can be attributed to the deterrent effect of §5, which dissuades covered jurisdictions from engaging in discrimination that they would resume should §5 be struck down. Under this theory, however, §5 would be effectively immune from scrutiny; no matter how “clean” the record of covered jurisdictions, the argument could always be made that it was deterrence that accounted for the good behavior. The provisions of §5 apply only to those jurisdictions singled out by §4. We now consider whether that coverage formula is constitutional in light of current conditions. III A When upholding the constitutionality of the coverage formula in 1966, we concluded that it was “rational in both practice and theory.” Katzenbach, 383 U. S., at 330. The formula looked to cause (discriminatory tests) and effect (low voter registration and turnout), and tailored the remedy (preclearance) to those jurisdictions exhibiting both. By 2009, however, we concluded that the “coverage formula raise[d] serious constitutional questions.” North-