How long Americans can expect to live varies dramatically -- and the gap continues to widen. A new report says health inequalities have, in essence, created 10 Americas. Advertisement These mutually exclusive populations are divided along familiar fault lines, including race, ethnicity, income and address. While life expectancy rose in nine of 10 Americas between 2000 and 2010, only six saw gains between 2010 and 2019, according to the report. Related Surgeon general: U.S. smoking rates