According to the 2019 edition of the Bloomberg Healthiest Country Index, the United States ranks 35th among 169 recognized by the World Health Organization. This was one position lower than the U.S. earned in 2017. Spain surpassed Italy to become the world’s healthiest country and four other European nations ranked in the top 10. While Japan was the healthiest Asian nation, China dropped from 51 in 2017 to 53 in the 2019 rankings. Based on data provided by the World Health Organization and the United Nations Population Division, the index evaluates health factors and risks including behavioral concerns, environmental characteristics and more.