The ranking is based on 2017 birthing data from the CDC’s National Vital Statistics Reports. Preterm births are defined as infants born before 37 weeks.
In total, there were 382,726 premature births among U.S. women of all races in 2017, according to the Kaiser Family Foundation.
Here’s how each state stacks up:
- California — 40,907 preterm births in 2017
- Texas — 40,403
- Florida — 22,851
- New York — 20,607
- Illinois — 15,551
- Georgia — 14,756
- Ohio — 14,168
- Pennsylvania — 12,969
- North Carolina — 12,591
- Michigan — 11,406
- New Jersey — 9,613
- Virginia — 9,582
- Tennessee — 8,962
- Indiana — 8,087
- Louisiana — 7,725
- Missouri — 7,702
- Arizona — 7,578
- Maryland — 7,491
- Washington — 7,334
- Alabama — 7,090
- South Carolina — 6,396
- Massachusetts — 6,272
- Wisconsin — 6,260
- Minnesota — 6,111
- Kentucky — 6,092
- Colorado — 5,638
- Oklahoma — 5,592
- Mississippi — 5,061
- Utah — 4,588
- Arkansas — 4,268
- Nevada — 3,833
- Oregon — 3,640
- Iowa — 3,524
- Kansas — 3,495
- Connecticut — 3,338
- Nebraska — 2,556
- New Mexico — 2,435
- West Virginia — 2,237
- Idaho — 1,941
- Hawaii — 1,829
- South Dakota — 1,125
- Montana — 1,118
- Delaware — 1,108
- Maine — 1,066
- New Hampshire — 1,010
- North Dakota — 944
- Alaska — 937
- Rhode Island — 882
- Wyoming — 616
- Vermont — 425
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National healthcare scorecard: Where does your state rank?
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