The chief executive of the United States is called the President. The President is the head of the Executive branch, and is also the commander-in-chief of all U.S. armed services. He is both the Head of Government and the Head of State, and is elected to a four-year term of office. The President lives in the White House in Washington D.C., and is addressed simply as ‘Mr. President’. There have been 46 Presidents so far.
