States With the Highest and Lowest Vaccination Rates

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16. Kentucky
> Child vaccination rate: 74.5%
> Population under 5 years: 276,356 (6.2% — 19th highest)
> Population with no health insurance: 5.4% (10th lowest)
> Total exemptions (2015-2016): 510

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17. Maryland
> Child vaccination rate: 74.4%
> Population under 5 years: 363,313 (6.0% — 24th lowest)
> Population with no health insurance: 6.1% (18th lowest)
> Total exemptions (2015-2016): 949

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18. Idaho
> Child vaccination rate: 73.9%
> Population under 5 years: 116,226 (6.8% — 7th highest)
> Population with no health insurance: 10.1% (11th highest)
> Total exemptions (2015-2016): 1,389

Source: AndreyKrav / Getty Images

19. Minnesota
> Child vaccination rate: 73.8%
> Population under 5 years: 353,860 (6.3% — 12th highest)
> Population with no health insurance: 4.4% (3rd lowest)
> Total exemptions (2015-2016): N/A

Source: f11photo / Getty Images

20. Pennsylvania
> Child vaccination rate: 73.7%
> Population under 5 years: 705,018 (5.5% — 9th lowest)
> Population with no health insurance: 5.5% (12th lowest)
> Total exemptions (2015-2016): 3,132