A senator for life is a member of the senate or equivalent upper chamber of a legislature who has life tenure. As of 2018[update], six Italian Senators out of 321, three out of the 47 Burundian Senators and all members of the British House of Lords (apart from the 26 Lords Spiritual who are expected to retire at the age of 70) have lifetime tenure (although Lords can choose to resign or retire or can be expelled in cases of misconduct). Several South American countries once granted lifetime membership to former presidents but have since abolished the practice.
Democratic Republic of the Congo
The 2006 constitution of the Democratic Republic of the Congo grants lifetime membership in the Senate to former Presidents of the Republic. As of 2019, Joseph Kabila is the only senator for life after serving as president from 2001 to 2019.
The 1964 Congolese constitution also provided for life membership in the Senate for former Presidents.
In Italy, a senatore a vita is a member of the Italian Senate appointed by the President of the Italian Republic "for outstanding patriotic merits in the social, scientific, artistic or literary field". Appointed senators may be up to five at the same time. Former Presidents of the Republic are ex officio senators for life. Currently there are 6 senators for life (one former president and 5 appointed).
The lifetime senatorship appeared in the Constitution of Russia as a result of the constitutional reform in 2020. According to the new version of the Constitution, the President has the right to appoint 30 senators for services to the country in the sphere of state and public activity, 7 of whom can be appointed for life. In addition, former presidents (except for those who were impeached from office) become senators for life, but have the right to refuse this office.
In a manner reminiscent of the British parliament, members of the Canadian Senate were appointed for life. Since the Constitution Act, 1965, however, senators must retire upon reaching the age of 75. Though senators appointed before the amendment were grandfathered in by the legislation, there are no longer any lifetime senators present in the Canadian Senate. Orville Howard Phillips, the last senator for life, resigned his seat in 1999.
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In France, during the Third Republic, the Senate was composed of 300 members, 75 of which were inamovible ("unremovable"). Introduced in 1875, the status was abolished for new senators in 1884, but maintained for those already in office. Émile Deshayes de Marcère, the last surviving sénateur inamovible, died in 1918. Overall there had been 116 lifetime senators.
In 2005, there was questioning about the status of former Presidents of the Republic. According to the constitution of the Fifth Republic, former presidents are de jure members of the Constitutional Council, which poses a problem of possible partiality. Some members of Parliament and commentators suggested that it should be replaced by a life membership in the Senate. This proposal was, however, not enacted.
- the heir to the throne
- Metropolitan bishops and diocesan bishops of the Orthodox and Greek-Catholic churches
- heads of state-recognised religious bodies
- the president of the Romanian Academy
- former presidents of the Council of Ministers
- former ministers with at least six years’ seniority
- former presidents of either legislative chamber who held this function for at least eight ordinary sessions
- former senators and deputies elected to at least ten legislatures, irrespective of their duration
- former presidents of the High Court of Cassation and Justice
- reserve and retired generals
- former presidents of the National Assemblies at Chişinău, Cernăuţi and Alba Iulia, which proclaimed their respective provinces’ union with Romania in 1918 (see Union of Bessarabia with Romania, Union of Bukovina with Romania and Union of Transylvania with Romania)
Although the current constitution of Romania re-established the bicameral parliament in 1991, it did not reinstate the office of senator by right.
South and Central America
The constitutions of a number of countries in South America have granted former presidents the right to be senator for life (senador vitalicio), possibly recalling the entirely unelected Senate of Simón Bolívar's theory (see Bolivar's tricameralism). Most of these countries have since excised these provisions as they are increasingly seen as antidemocratic. The Constitution of Paraguay still has such a provision. Former presidents are permitted to speak but not vote. Probably the most familiar case is that of Chilean dictator Augusto Pinochet (1998–2002) whose parliamentary immunity protected him from prosecution for human rights violations until the Chilean Supreme Court revoked it in 2000.
- In Venezuela, lifetime Senate seats existed from 1961 to 1999. The former Presidents who held this position were: Rómulo Betancourt (1964–1981), Raúl Leoni (1969–1972), Rafael Caldera (1974–1994, 1999), Carlos Andrés Pérez (1979–1989, 1994–1996), Luis Herrera Campins (1984–1999) and Jaime Lusinchi (1989–1999). The Venezuelan Senate was abolished with the 1999 constitution.
- In Peru, the practice was extant from 1979 to 1993. Francisco Morales Bermúdez, Fernando Belaúnde Terry and Alan García Pérez were the only lifetime senators until the abolition of the senate in 1993 and the introduction of a unicameral parliament.
- In Chile, under the 1980 Constitution, two ex-Presidents have become senators-for-life: Augusto Pinochet Ugarte (1998–2002) and Eduardo Frei Ruiz-Tagle (2000–2006). The provision was abolished by constitutional reforms in 2005.
- In Nicaragua, the 1974 Constitution granted lifetime membership in that country's Senate to former Presidents of the Republic.
The senators of the Empire of Brazil were appointed for lifetime (1826–1889). The emperor appointed the senator for each constituency from a list of three, indirectly elected, candidates. For details, see Senate of Brazil: History
There were about 250 senators of the Empire of Brazil. For the list of senators, see pt:Lista de senadores do Brasil
Under its 1979 Constitution, José Luis Bustamante y Rivero, Fernando Belaúnde Terry and Alan García Pérez were the only ones to hold that position, before the adoption of the Constitution of 1993, which eliminated the Senate and established a unicameral Congress.
A variation of the "senator for life" theme existed in the Somali Republic (1960–1969). While the 1960 constitution did not provide for a senate (the legislature, known as the National Assembly, was unicameral), it did grant lifetime membership in the legislature to ex-Presidents of the Republic. Aden Adde was the only person eligible to hold this position.
- "Post-transition Senators list", Burundian Senate website (in French).
- "The Senate composition", Burundian Senate website (in French).
- Constitution de la République démocratique du Congo, Article 104 (paragraph 6): "Les anciens Présidents de la République élus sont de droit sénateurs à vie." (Loosely translated, this means "Former Presidents of the Republic are senators by right for life.") Source
- "République démocratique du Congo, Constitution du 1er août 1964, Article 75 (paragraph 4): "En sus des sénateurs visés au 2e alinéa du présent article, font de droit, partie à vie du Sénat les anciens présidents de la République."".
- Constitution of the Republic of Paraguay, 1992, Article 189 (subsection 1): "(1) Former presidents of the Republic who were democratically elected will be national senators for life, except for those who were impeached from office. (2) They will not count toward a quorum. They will have the right to speak, but not to vote."
- Закон РФ о поправке к Конституции РФ от 14.03.2020 N 1-ФКЗ "О совершенствовании регулирования отдельных вопросов организации и функционирования публичной власти". Ст. 1
- Constitution of the Republic of Rwanda, Article 82, section 5° (second paragraph): "Former Heads of State who honourably completed their terms or voluntarily resigned from office become members of the Senate by submitting a request to the Supreme Court." Source
- "Les sénateurs inamovibles". Archived from the original on 18 June 2006.
- La Chiraquie veut protéger son chef quand il quittera l'Elysée, Libération, 14 January 2005
- See also the constitutional amendment proposals by senator Patrice Gélard 
- Mr. Frei retained his senate seat by being democratically elected in the December 2005 parliamentary elections and was President of the Senate from 2006 to 2008.
- "The former presidents of the republic who held the presidency by direct popular vote shall be life members of the Senate; and the presidential candidate of the party that obtained second place in the corresponding popular vote shall be a member of the Senate for the term for which he was nominated." Constitution of the Republic of Nicaragua, 1974. Article 127, second paragraph.
- Constitution of the Somali Republic, 1960. Article 51 ("National Assembly"), paragraph 4: "Whoever has been President of the Republic shall become a deputy for life as of right, in addition to the elected deputies, provided that he has not been convicted of any of the crimes referred to in paragraph 1 of Article 76."
- Senato.it: Senatori a vita (in Italian) — Italian lifetime senators (XVII legislation – June 2017)