20 SHELBY COUNTY v. HOLDER GINSBURG, J., dissenting Judiciary, 109th Cong., 1st Sess., pp. 964–1124 (2005) (hereinafter Impact and Effectiveness). Because the pri­ vate right of action authorized by §2 of the VRA applies nationwide, a comparison of §2 lawsuits in covered and noncovered jurisdictions provides an appropriate yardstick for measuring differences between covered and noncovered jurisdictions. If differences in the risk of voting discrimi­ nation between covered and noncovered jurisdictions had disappeared, one would expect that the rate of successful §2 lawsuits would be roughly the same in both areas.6 The study’s findings, however, indicated that racial discrimi­ nation in voting remains “concentrated in the jurisdictions singled out for preclearance.” Northwest Austin, 557 U. S., at 203. Although covered jurisdictions account for less than 25 percent of the country’s population, the Katz study re­ vealed that they accounted for 56 percent of successful §2 litigation since 1982. Impact and Effectiveness 974. Controlling for population, there were nearly four times as many successful §2 cases in covered jurisdictions as there were in noncovered jurisdictions. 679 F. 3d, at 874. The Katz study further found that §2 lawsuits are more likely to succeed when they are filed in covered jurisdictions than in noncovered jurisdictions. Impact and Effective­ ness 974. From these findings—ignored by the Court— Congress reasonably concluded that the coverage formula continues to identify the jurisdictions of greatest concern. The evidence before Congress, furthermore, indicated that voting in the covered jurisdictions was more racially polarized than elsewhere in the country. H. R. Rep. No. 109–478, at 34–35. While racially polarized voting alone —————— 6 Because preclearance occurs only in covered jurisdictions and can be expected to stop the most obviously objectionable measures, one would expect a lower rate of successful §2 lawsuits in those jurisdictions if the risk of voting discrimination there were the same as elsewhere in the country.

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