Description of government structure:

• Chief of State: King WACHIRALONGKON
• Head of Government: Prime Minister SRETTHA Thavisin
• Assembly: Thailand has a bicameral National Assembly (Ratthasapha) consisting of the Senate (Wuthisapha) with 250 seats and the House of Representatives (Sapha Phuthaen Ratsadon) with 500 seats.

Description of electoral system:

• The King is the hereditary head of state.
• The Prime Minister is nominated by the National Assembly and appointed by the monarch.  The Prime Minister may serve for up to 8 years.
• In the Senate, 250 members are appointed by the Royal Thai Army and serve 5-year terms.
• In the House of Representatives (Sapha Phuthaen Ratsadon), 375 members are elected by simple majority vote in single-member constituencies, and 150 members are elected through a closed-list proportional representation system in a nationwide constituency.  All members serve 4-year terms *.

* The 2017 constitution and a 2021 amendment changed the number of House seats and altered election procedures.  Previously, voters cast two votes: one for a single-member constituency representative and one for a party list.  Now, voters cast one vote for a single-member constituency representative and their corresponding party.  The distribution of party list seats is determined by each party's share of the popular vote.