QuickStats: Number of Deaths from 10 Leading Causes by Sex — National Vital Statistics System, United States, 2015

In 2015, a total of 1,339,226 deaths among females and 1,373,404 deaths among males occurred.

Heart disease and cancer were the top two causes of death for both females and males; other leading causes varied in rank by sex.

The 10 leading causes of death accounted for approximately three-quarters of all deaths.

Source: https://www.cdc.gov/mmwr/volumes/66/wr/mm6615a8.htm