
Parliamentary elections were held in Bulgaria between 30 September and 7 October 1879. The result was a victory for the Liberal Party, which won 140 of the 170 seats. Voter turnout was 32.0%.

Parliamentary elections were held in Bulgaria in January and February 1880. Low voter turnout in some constituencies led to the results being invalidated and the elections re-run. Unlike in former elections, the government did not attempt to influence the result, resulting in the opposition Liberal Party retaining their majority in the National Assembly. Of the 162 seats, the Liberal Party won 103 and the Conservative Party won 50. When the newly elected Assembly convened, Liberal Party member Petko Karavelov was elected Chairperson.

Parliamentary elections were held in Bulgaria in the autumn of 1882. These were the first elections since the suspension of the constitution by the Second Grand National Assembly on 13 July 1881. As part of the amendments adopted by the GNA, the number of representatives was brought down from 307 to 47, the lowest in Bulgarian history. The Liberal Party boycotted the poll in protest over last year's election campaign. This resulted in another conservative majority. The assembly convened on 10 December 1882. Unlike last time, the conservatives showed a surprising degree of independence, that was shown primarily against the Russians. Disagreements over foreign and domestic policies led prince Alexander I and the Assembly to stand against Russian influence and restore the constitution on 6 September 1883. This prompted the departure of Russian generals Leonid Sobolev and Alexander Kaulbars and then the forming of a coalition government between Liberals and Conservatives chaired by Dragan Tsankov.

Parliamentary elections were held in Bulgaria on 27 May 1884. The result was a victory for the Liberal Party, which won 100 of the 171 seats. Voter turnout was 28.9%. Further members were elected from Eastern Rumelia between 11 and 18 May 1886, after it became part of Bulgaria in 1885.

Parliamentary elections were held in Bulgaria on 9 October 1887. The People's Liberal Party led by Stefan Stambolov won a large majority, taking 260 of the 292 seats in the National Assembly, whilst the three opposition parties led by Petko Karavelov, Vasil Radoslavov and Dragan Tsankov won 32 between them. All three opposition party leaders lost their seats.

Parliamentary elections were held in Bulgaria on 7 September 1890. The result was an overwhelming victory for the People's Liberal Party of Prime Minister Stefan Stambolov.

Parliamentary elections were held in Bulgaria on 30 July 1893. Following changes to the constitution earlier in the year, the number of members of the National Assembly was reduced.

Parliamentary elections were held in Bulgaria on 23 September 1894. Voter turnout was unusually high.

Parliamentary elections were held in Bulgaria on 29 November 1896. The elections were marred by disturbances, particularly in Sofia. The elections were won by the ruling party led by Prime Minister Konstantin Stoilov.

Parliamentary elections were held in Bulgaria on 25 April 1899. The result was a victory for the Liberal Party, which won 89 of the 169 seats. Voter turnout was 49.5%.

Parliamentary elections were held in Bulgaria on 28 January 1901. Despite receiving only the third highest number of votes, the Progressive Liberal Party emerged as the largest party in Parliament with 40 of the 164 seats. Voter turnout was 42.7%.

Parliamentary elections were held in Bulgaria on 17 February 1902. The result was a victory for the Progressive Liberal Party, which won 89 of the 189 seats. Voter turnout was 49.8%.

Parliamentary elections were held in Bulgaria on 19 October 1903. The result was a victory for the People's Party, which won 134 of the 169 seats. Voter turnout was 41.2%.

Parliamentary elections were held in Bulgaria on 25 May 1908. The result was a victory for the Democratic Party, which won 166 of the 203 seats. Voter turnout was 50.2%.

Parliamentary elections were held in Bulgaria on 4 September 1911. The result was a victory for the People's Party-Progressive Liberal Party alliance, which won 190 of the 213 seats. Voter turnout was 47.2%.

Parliamentary elections were held in Bulgaria on 24 November 1913. The result was a victory for the Liberal Concentration, an alliance of the Liberal Party (Radoslavists), the People's Liberal Party and the Young Liberals Party, between them won 88 of the 204 seats. Voter turnout was 55.0%.

Parliamentary elections were held in Bulgaria on 23 February 1914. The result was a victory for the Liberal Concentration, an alliance of the Liberal Party, the People's Liberal Party and the Young Liberals Party, which won 126 of the 245 seats. Voter turnout was 67.1%.

Parliamentary elections were held in Bulgaria on 17 August 1919. The result was a victory for the Bulgarian Agrarian National Union, which won 77 of the 236 seats. Voter turnout was 54.5%.

Parliamentary elections were held in Bulgaria on 28 March 1920. The result was a victory for the Bulgarian Agrarian National Union, which won 110 of the 229 seats. Voter turnout was 77.3%.

Parliamentary elections were held in Bulgaria on 18 November 1923. They followed a coup in June that had overthrown the Bulgarian Agrarian National Union government led by Aleksandar Stamboliyski, which had been elected in April. The result was a victory for the Democratic Alliance, which won 200 of the 247 seats. Voter turnout was 86.2%.

Parliamentary elections were held in Bulgaria on 22 April 1923. The result was a victory for the Bulgarian Agrarian National Union, which won 212 of the 245 seats. Voter turnout was 86.5%.

Parliamentary elections were held in Bulgaria on 29 May 1927. The result was a victory for the Democratic Alliance-National Liberal Party alliance, which won 174 of the 261 seats. Voter turnout was 84.3%.

Parliamentary elections were held in Bulgaria on 21 June 1931. The result was a victory for the Popular Bloc, an alliance of the Bulgarian Agrarian National Union (Dragiev), the Democratic Party, the National Liberal Party (Petrov) and the Radical Democratic Party, which won 151 of the 273 seats. Voter turnout was 85.2%.

Parliamentary elections were held in Bulgaria between 6 and 27 March 1938, the first after the 1934 coup. The elections were held on a non-partisan basis, with the Bulgarian Agrarian National Union and Bulgarian Communist Party banned. Pro-government candidates won a majority of seats. Voter turnout was 69.5%.

Parliamentary elections were held in Bulgaria on 24 December 1939, although voting continued in some areas into January 1940. The elections were officially held on a non-partisan basis with the Bulgarian Agrarian National Union and Bulgarian Communist Party banned, and in a process tightly controlled by Tsar Boris III, by then the real power in the country. However, candidates representing parties did contest the elections. Pro-government candidates won a majority of seats. Voter turnout was 67.2%.

Parliamentary elections were held in Bulgaria on 18 November 1945, the country's first to feature universal suffrage for women. The Bulgarian Agrarian National Union and the Bulgarian Communist Party both won 94 seats. Voter turnout was 84.8%.

Parliamentary elections were held in Bulgaria on 18 December 1949. They were the first legislative elections held under undisguised Communist rule. With all meaningful opposition having been destroyed, voters were presented with a single list from the Fatherland Front, dominated by the Bulgarian Communist Party. According to official figures, almost 4.7 million people turned out to vote and only 980 of them voted against the list, while another 109,963 ballots were invalid or blank. Voter turnout was reportedly 98.9 percent.

Parliamentary elections were held in Bulgaria on 20 December 1953. Voters were presented with a single list from the Fatherland Front, dominated by the Bulgarian Communist Party. As the Fatherland Front was the only organisation to contest the election and all candidate lists had to be approved by the Front, voters only had the option of voting for or against the Front list. Only 0.2% of vote were cast against the Front. Voter turnout was reportedly 99.5%.

Parliamentary elections were held in Bulgaria on 22 December 1957. Voters were presented with a single list from the Fatherland Front, dominated by the Bulgarian Communist Party. As the Fatherland Front was the only organisation to contest the election and all candidate lists had to be approved by the Front, voters only had the option of voting for or against the Front list. Only 2,076 of the 5,206,103 valid votes were cast against. Voter turnout was reportedly 99.8%.

Parliamentary elections were held in Bulgaria on 25 February 1962. Voters were presented with a single list from the Fatherland Front, dominated by the Bulgarian Communist Party. As the Fatherland Front was the only organisation to contest the election and all candidate lists had to be approved by the Front, voters only had the option of voting for or against the Front list. Only 1,668 of the 5,462,892 valid votes were cast against the Front list. Voter turnout was reportedly 99.7%.

Parliamentary elections were held in Bulgaria on 27 February 1966. Voters were presented with a single list from the Fatherland Front, dominated by the Bulgarian Communist Party. As the Fatherland Front was the only organisation to contest the election and all candidate lists had to be approved by the Front, voters only had the option of voting for or against the Front list. Only 2,089 of the 5,746,161 valid votes were cast against the Front list. Voter turnout was reportedly 99.6%.

Parliamentary elections were held in Bulgaria on 27 June 1971, the first held under the new Zhivkov Constitution, which had been approved in a referendum held a month earlier. The Fatherland Front, dominated by the Bulgarian Communist Party, was the only organisation to contest the election; all candidate lists had to be approved by the Front. The Front nominated one candidate for each constituency. Of the 400 candidates 268 were members of the Communist Party, 100 were members of the Bulgarian Agrarian National Union and the remaining 32 were unaffiliated. Voter turnout was reportedly 99.9%.

Parliamentary elections were held in Bulgaria on 30 May 1976. The Fatherland Front, dominated by the Bulgarian Communist Party, was the only organisation to contest the election; all candidate lists had to be approved by the Front. The Front nominated one candidate for each constituency. Of the 400 candidates 272 were members of the Communist Party, 100 were members of the Bulgarian Agrarian National Union and the remaining 28 were unaffiliated. Voter turnout was reportedly 99.9%.

Parliamentary elections were held in Bulgaria on 7 June 1981. The Fatherland Front, dominated by the Bulgarian Communist Party, was the only organisation to contest the election; all candidate lists had to be approved by the Front. The Front nominated one candidate for each constituency. Of the 400 candidates 271 were members of the Communist Party, 99 were members of the Bulgarian Agrarian National Union and the remaining 30 were unaffiliated. Voter turnout was reportedly 99.9%.

Parliamentary elections were held in Bulgaria on 8 June 1986. The Fatherland Front, dominated by the Bulgarian Communist Party, was the only organization to contest the election; all candidate lists had to be approved by the Front. The Front nominated one candidate for each constituency. Of the 400 candidates 276 were members of the Communist Party, 99 were members of the Bulgarian Agrarian National Union and the remaining 25 were unaffiliated. Voter turnout was reportedly 99.5%.

Parliamentary elections were held in Bulgaria on June 25, 2005, for the 240 members of the National Assembly. According to exit polls, the Socialists had a lead with around 31%, but without a majority, necessitating the creation of a coalition. The National Movement for Simeon II, in power before the election, was in second place, with around 21%. Following the election, Socialist Party leader Sergei Stanishev became Prime Minister.

Parliamentary elections were held in Bulgaria on 5 July 2009. With 40% of the vote, the decisive winner of the elections was the established in 2006 personalistic party of Boyko Borisov - GERB. The Socialist Party, in power before the election, was in second place, with around 18%. Оnce-ruling National Movement Simeon II did not cross the 4% threshold and won no seats. The turnout was 60.2%, one of the lowest ever. Following the election, GERB leader Boyko Borisov became Prime Minister. Just like all the previous parliamentary elections since the fall of communism, the government was not re-elected.

Parliamentary elections were held in Bulgaria on 12 May 2013, two months ahead of schedule. Protests had forced the resignation of the GERB government in February, leading to the election being moved up.

Parliamentary elections were held in Bulgaria on 5 October 2014 to elect the 43rd National Assembly. GERB remained the largest party, winning 84 of the 240 seats with around a third of the vote. A total of eight parties won seats, the first time since the beginning of democratic elections in 1990 that more than seven parties entered parliament. Boyko Borisov then became prime minister as head of a coalition with the Reformist Bloc and with outside support from the Patriotic Front and the Alternative for Bulgarian Revival.

Parliamentary elections were held in Bulgaria on 26 March 2017. They had originally been scheduled for 2018 at the end of the four-year term of the National Assembly. However, following the resignation of Prime Minister Boyko Borisov and the failure of Bulgarian parties to form a government, early elections were called. Borisov resigned following the defeat of Tsetska Tsacheva, the candidate of his GERB party, in the November 2016 presidential elections. The official election campaign began on 24 February.

Parliamentary elections are expected to be held in Bulgaria within the first quarter of 2021, with the final date to be set by the President of Bulgaria. There have been calls for a resignation of the GERB-led government and early parliamentary elections during the 2020 Bulgarian protests.