The Plurinational Legislative Assembly () is the national

legislature A legislature (, ) is a deliberative assembly with the legal authority to make laws for a political entity such as a country, nation or city on behalf of the people therein. They are often contrasted with the executive and judicial power ...

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

, placed in

La Paz La Paz, officially Nuestra Señora de La Paz (Aymara language, Aymara: Chuqi Yapu ), is the seat of government of the Bolivia, Plurinational State of Bolivia. With 755,732 residents as of 2024, La Paz is the List of Bolivian cities by populati ...

, the country's seat of government. The assembly is

bicameral Bicameralism is a type of legislature that is divided into two separate Deliberative assembly, assemblies, chambers, or houses, known as a bicameral legislature. Bicameralism is distinguished from unicameralism, in which all members deliberate ...

, consisting of a

lower house A lower house is the lower chamber of a bicameral legislature, where the other chamber is the upper house. Although styled as "below" the upper house, in many legislatures worldwide, the lower house has come to wield more power or otherwise e ...

(the

Chamber of Deputies The chamber of deputies is the lower house in many bicameral legislatures and the sole house in some unicameral legislatures. Description Historically, French Chamber of Deputies was the lower house of the French Parliament during the Bourb ...

or ) and an

upper house An upper house is one of two Legislative chamber, chambers of a bicameralism, bicameral legislature, the other chamber being the lower house. The house formally designated as the upper house is usually smaller and often has more restricted p ...

(the Chamber of Senators, or ''Cámara de Senadores)''. The Vice President of Bolivia also serves as the ''ex officio'' President of the Plurinational Legislative Assembly. Each house elects its own directorate: a President, first and second Vice Presidents, and three or four Secretaries (for the Senate and the Chamber of Deputies, respectively). Each party is said to have a

seat A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e " seat (legal entity)"). See disambiguation. Types of seat The ...

() consisting of its legislators. The representatives of each department comprise a brigade (''brigada''). Each house considers legislation in standing

committee A committee or commission is a body of one or more persons subordinate to a deliberative assembly or other form of organization. A committee may not itself be considered to be a form of assembly or a decision-making body. Usually, an assembly o ...

s. The Chamber of Senators has 36 seats. Each of the country's nine

departments Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military * Department (administrative division), a geographical and administrative division within a country, ...

returns four

senator A senate is a deliberative assembly, often the upper house or Legislative chamber, chamber of a bicameral legislature. The name comes from the Ancient Rome, ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior ...

s elected by

proportional representation Proportional representation (PR) refers to any electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to political divisions (Political party, political parties) amon ...

(using the

D'Hondt method The D'Hondt method, also called the Jefferson method or the greatest divisors method, is an apportionment method for allocating seats in parliaments among federal states, or in proportional representation among political parties. It belongs to ...

). (From 1985 to 2009, the Senate had 27 seats: three seats per department: two from the party or formula that receives the most votes, with the third senator representing the second-placed party.) Senators are elected from party lists to serve five-year terms, and the minimum age to hold a Senate seat is 35 years. The Chamber of Deputies comprises 130 seats, elected using a

seat linkage A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e "seat (legal entity)"). See disambiguation. Types of seat The fol ...

based mixed compensatory system (for

mixed-member proportional representation Mixed-member proportional representation (MMP or MMPR) is a type of representation provided by some mixed electoral system, mixed electoral systems which combine local Winner-take-all system, winner-take-all elections with a Compensation (el ...

): 70 deputies are elected to represent single-member

electoral district An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...

s, 7 of which are Indigenous or Campesino seats elected by the usos y costumbres of minority groups, 60 are elected from party lists on a departmental basis. Deputies also serve five-year terms, and must be aged at least 25 on the day of the election. Party lists are required to alternate between men and women, and in the single-member districts, men are required to run with a female alternate, and vice versa. At least 50% of the deputies from single-member districts are required to be women. Both the Chamber of Senators, and the proportional part of the Chamber of Deputies is elected based on the vote for the presidential candidates, while the deputies from the single-member districts are elected separately. The legislative body was formerly known as the ''National Congress'' ().

2020–2025 Congress

2015–2020 Congress

2010–2015 Congress

The 2010–2015 Plurinational Legislative Assembly were controlled in both houses by the governing Movement for Socialism (MAS-IPSP), elected with a 2/3

supermajority A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fun ...

. Just four incumbent members of the 2005–2010 Congress returned: Deputy Antonio Franco; Deputy Javier Zabaleta (MAS-IPSP/MSM); Senator René Martínez (MAS-IPSP), who was a deputy; and Senator Róger Pinto, previously of Podemos and now representing PPB-CN. As part of a break between the MAS-IPSP and its ally the Without Fear Movement (MSM), the latter party's four deputies, elected on the MAS slate pledged in late March 2010, "to act in accord with our political identity, with our conscience, and with the people who elected us with their vote." Consequently, MAS-IPSP now has 84 members in the Chambers of Deputies, while the MSM has four. Congressional elections were held as part of

general elections A general election is an electoral process to choose most or all members of a governing body at the same time. They are distinct from by-elections, which fill individual seats that have become vacant between general elections. General elections ...

on 9 December 2009. After the votes were counted, party strengths in Congress were as follows: The President of the Senate was Ana María Romero de Campero (MAS-IPSP, La Paz), elected on 19 January 2010, but she died on 26 October 2010. Seventeen of 36 members of the Senate are women. The 26-member MAS-IPSP majority includes all four senators from La Paz, Oruro, and Potosí; three senators from Cochabamba and Chuquisaca; and two senators from each of Santa Cruz, Beni, Pando, and Tarija. The President of the Chamber of Deputies, elected on 19 January 2010, is Héctor Arce (MAS-IPSP). 33 of 130 deputies (25.38%) are women.

Prior Congresses

2005–2010 Congress

Congressional elections were held on 18 December 2005, concurrently with the 2005 presidential election. The Chamber of Deputies had the following leadership: President Edmundo Novillo Aguilar (MAS, Cochabamba); First Vice President Julia Ramos (MAS); Second Vice President Oscar Urenda ( Social Democratic Power, Podemos); First Secretary Oscar Chirinos (MAS); Second Secretary Alex Cerrogrande (MAS); Third Secretary Jorge Becerra ( National Unity Front, UN), and Fourth Secretary Roxana Sandoval (

Revolutionary Nationalist Movement The Revolutionary Nationalist Movement ( , MNR) is a centre-right, conservative political party in Bolivia. It was the leading force behind the Bolivian National Revolution from 1952 to 1964. It influenced much of the country's history since 19 ...

, MNR).

2002–2005 Congress

Congressional elections were held on 30 June 2002. After the votes were counted, party strengths in Congress were as follows: The next election was scheduled to take place in June 2007, but was brought forward to December 2005 on a decision from interim President Eduardo Rodríguez.

Buildings

The two chambers of Congress meet in the legislative palace located on

Plaza Murillo The Plaza Murillo is the central plaza of the city of La Paz and the open space most connected to the political life of Bolivia. Prominent buildings on the plaza include the Presidential Palace, National Congress of Bolivia, and the Cathedral of L ...

, La Paz's main city-centre square. Plaza Murillo is also flanked by the presidential palace (informally known as the

Palacio Quemado The Bolivian Palace of Government, better known as (, ''Burnt Palace''), was the official residence of the President of Bolivia from 1853 to 2018 and again briefly from 2019 to 2020. It is located in downtown La Paz on Plaza Murillo, next to ...

– the "Burnt Palace" – on account of repeated attempts to raze it to the ground in the 19th century) and the cathedral of Nuestra Señora de La Paz. Prior to becoming the seat of the legislature in 1904, the congress building had, at different times, housed a

convent A convent is an enclosed community of monks, nuns, friars or religious sisters. Alternatively, ''convent'' means the building used by the community. The term is particularly used in the Catholic Church, Lutheran churches, and the Anglican ...

and a

university A university () is an educational institution, institution of tertiary education and research which awards academic degrees in several Discipline (academia), academic disciplines. ''University'' is derived from the Latin phrase , which roughly ...

. The Vice-President, in his capacity as President of Congress, has an imposing suite of offices on Calle Mercado in central La Paz. The building, designed by Emilio Villanueva, was erected during the 1920s and was originally intended to serve as the headquarters of Bolivia's

central bank A central bank, reserve bank, national bank, or monetary authority is an institution that manages the monetary policy of a country or monetary union. In contrast to a commercial bank, a central bank possesses a monopoly on increasing the mo ...

(''Banco de la Nación Boliviana''). Under Jaime Paz Zamora's 1989–1993

presidency A presidency is an administration or the executive, the collective administrative and governmental entity that exists around an office of president of a state or nation. Although often the executive branch of government, and often personified b ...

, the building was reassigned to the vice-presidency, but the vice-presidential staff did not relocate entirely until major reconstruction and renovation work, starting in 1997, had been carried out. The Library of Congress and the National Congressional Archive are also located on the premises.