AGE 67: Hillary Clinton

2016 presidential candidate

What makes her powerful: The former secretary of state stepped down from Obama's cabinet at the end of his first term, after cementing "people-to-people diplomacy" as her trademark. She traveled more frequently and visited more countries than any of her predecessors. Despite recent controversies, she's still one of the democratic front-runners in the 2016 presidential election, garnering endorsements from rappers left and right, and calling for a take-down of the 1%.