who are U.S. military veterans predominantly men this poll Thirteen percent of the US population are veterans 12% of males rate 13% overall have ever served Gallup poll 13% of American adults are veterans who are predominantly male Thirteen percent of the US population are veterans this poll 85% of all men age 85-89 are veterans this poll about 13 percent overall are veterans fewer veterans 13% of the population who are U.S. military veterans http://www.gallup.com/poll/158729/men-women-veterans.aspx