Some of it is different reporting requirements, but some of it is clustered in at-risk groups that are underserved. http://www.nber.org/papers/w20525 http://ww

Some of it is different reporting requirements, but some of it is clustered in at-risk groups that are underserved. http://www.nber.org/papers/w20525 http://www.nber.org/papers/w20525 Big recent declines are due to safer sleeping practices reducing SIDS / asphyxiation. Education about safe sleeping is a factor, and also if you are in a household that can't afford a crib, that's going to have an impact too. https://www-m.cnn.com/2018/01/04/health/infant-mortality-by-state-study/index.html https://www-m.cnn.com/2018/01/04/health/infant-mortality-by-...