Description of government structure:

• Chief of State: President Luiz Inacio LULA da Silva (since 1 January 2023)
• Head of Government: President Luiz Inacio LULA da Silva (since 1 January 2023)
• Assembly: bicameral National Congress (Congresso Nacional) consisting of an 81-seat Federal Senate (Senado Federal) and a 513-seat Chamber of Deputies (Camara dos Deputados)

Description of electoral system:

• The President is elected by absolute majority vote through a two-round system to serve a 4-year term.
• In the Federal Senate (Senado Federal) 81 members are elected by plurality vote in multi-member constituencies to serve 8-year terms*. In the Chamber of Deputies (Camara dos Deputados) 513 members are elected through an open-list proportional representation system to serve 4-year terms.**

* There are 27 multi-member (3 seats) constituencies corresponding to the country's 26 states and the Federal District. One-third of the senators (27 seats) are elected after a four-year period, and two-thirds (54 seats) are elected after the next four-year period. When two-thirds of the seats are to be renewed, each elector votes for two candidates. When one-third is to be renewed, each elector votes for one candidate.