The Dominican Republic is a representative democracy, where the President of the Dominican Republic functions as both the head of the government and head of the multi-party system. Executive power is exercised by the government. Legislative power is vested in the bicameral National Congress. The Judiciary is independent of the executive and the legislature.

The president of the Dominican Republic is both the head of state and head of government of the Dominican Republic. The presidential system was established in 1844, following the proclamation of the republic during the Dominican War of Independence. The president of the Dominican Republic is styled Your Excellency, Mr. President during his time in office. His official residence is the National Palace.