The Government of the Philippines () has three interdependent branches: the legislative, executive, and judicial branches. The Philippines is governed as a unitary state under a presidential representative and democratic constitutional republic in which the president functions as both the head of state and the head of government of the country within a pluriform multi-party system. The powers of the three branches are vested by the Constitution of the Philippines in the following: Legislative power is vested in the two-chamber Congress of the Philippines—the Senate is the upper chamber and the House of Representatives is the lower chamber. Executive power is exercised by the government under the leadership of the president. Judicial power is vested in the courts with the Supreme Court of the Philippines as the highest judicial body. Legislative branch The legislative power is vested in the Congress of the Philippines which consists of the Senate of the Philippines and the House of Representatives. The upper house is located in Pasay, while the lower house is located in Quezon City; both are in Metro Manila. The district and sectoral representatives are elected for a term of three years; they can be re-elected but they may not run for a fourth consecutive term. Senators are elected to a term of six years; they can be re-elected but may not run for a third consecutive term. The House of Representatives may opt to pass for a vacancy of a legislative seat, which leads to a special election. The winner of the special election will serve the unfinished term of the previous district representative, and will be considered as one elective term. The same rule also applies in the Senate; however, it only applies if the seat was vacated before a regular legislative election. The current president of the Senate is Juan Miguel Zubiri, and the speaker of the House of Representatives is Martin Romualdez. National government Senate House of Representatives Local government Bangsamoro Parliament (an autonomous region in Mindanao) Sangguniang Panlalawigan (Provincial Council) Sangguniang Panlungsod (City Council) Sangguniang Bayan (People's Council) Sangguniang Barangay (Barangay Council) Executive branch The president and vice president are elected separately by national popular vote. The vice president is first in line to succession if the president resigns, is removed after impeachment, or dies. The vice president is usually, though not always, a member of the president's cabinet. If there is a vacancy in the position