The Dominican Republic is a representative democracy or democratic republic, with three branches of power: executive, legislative, and judicial. The president of the Dominican Republic heads the executive branch and executes laws passed by the congress, appoints the cabinet, and is commander in chief of the armed forces. The president and vice-president run for office on the same ticket and are elected by direct vote for 4-year terms. The national legislature is bicameral, composed of a senate, which has 32 members, and the Chamber of Deputies, with 178 members.