Question: What's the infant mortality rate in the united states?
Disambiguated questions and answers: question: What is the infant mortality rate in the US from the World Bank in 2018?
What is the infant mortality rate in the US from the CIA World Factbook 2017?
What is the infant mortality rate in the US from the CIA World Factbook 2016?
answer: 6.5
5.8
5.8
Natural Questions answer: 6.5 (from the Wikipedia article "List of countries by infant mortality rate")