The Speaker of the United States House of Representatives is frequently referred to as the second-most powerful federal official (after the president).
The Speaker is elected by a majority of the Representatives-elect from candidates chosen separately by the majority- and minority-party caucuses at the start of each new Congress. These candidates are chosen by party members at organising caucuses held shortly after the new Congress is elected. When a vacancy occurs during a Congress, a new Speaker is elected by a majority of the House from candidates chosen by the two parties.
The Speaker of the House is legally second in line after the Vice President to succeed the President, and the 25th Amendment includes the Speaker in the process of announcing presidential disability.
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