The Social Democratic Party (, SDE) is a
centre-left
Centre-left politics is the range of left-wing political ideologies that lean closer to the political centre. Ideologies commonly associated with it include social democracy, social liberalism, progressivism, and green politics. Ideas commo ...
political party in Estonia. It is currently led by
Lauri Läänemets.
The party was formerly known as the Moderate People's Party ().
The SDE has been a member of the
Party of European Socialists
The Party of European Socialists (PES) is a Social democracy, social democratic European political party.
The PES comprises national-level political parties from all the European Economic Area, European economic area states (EEA) plus the Unit ...
since 16 May 2003 and was a member of the
Socialist International
The Socialist International (SI) is a political international or worldwide organisation of political parties which seek to establish democratic socialism, consisting mostly of Social democracy, social democratic political parties and Labour mov ...
from November 1990 to 2017. It is orientated towards the principles of
social-democracy
Social democracy is a Social philosophy, social, Economic ideology, economic, and political philosophy within socialism that supports Democracy, political and economic democracy and a gradualist, reformist, and democratic approach toward achi ...
,
and it supports Estonia's membership in the
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
. From April 2023 until March 2025, the party was a junior coalition partner in the
third Kallas government and the
Michal government.
History
During the
perestroika era, the Estonian Social Democratic Party (''Eesti Sotsiaaldemokraatlik Partei'', ESDP) was formed as Estonia's social-democratic movements merged in 1990. The movements were: the
Estonian Democratic Labour Party, the
Estonian Social Democratic Independence Party, the
Russian Social Democratic Party of Estonia and the Estonian Socialist Party's Foreign Association (successor of
Estonian Socialist Workers Party in exile). The ESDP's first leader was
Marju Lauristin
Marju Lauristin (born 7 April 1940) is an Estonian politician, and former Member of the European Parliament and Minister of Social Affairs. She is a member of the Social Democratic Party, part of the Party of European Socialists. Lauristin is ...
. They restored their contacts with the
Socialist International
The Socialist International (SI) is a political international or worldwide organisation of political parties which seek to establish democratic socialism, consisting mostly of Social democracy, social democratic political parties and Labour mov ...
in 1990. ESDP formed an electoral alliance with the
agrarian Estonian Rural Centre Party
Estonian may refer to:
* Something of, from, or related to Estonia, a country in the Baltic region in northern Europe
* Estonians, people from Estonia, or of Estonian descent
* Estonian language
* Estonian cuisine
* Estonian culture
See also
*
...
(formed in 1990) for
1992
1992 was designated as International Space Year by the United Nations.
Events January
* January 1 – Boutros Boutros-Ghali of Egypt replaces Javier Pérez de Cuéllar of Peru as United Nations Secretary-General.
* January 6
** The Republ ...
and
1995 elections. In 1996, after electoral defeat these two parties finally merged and named themselves the Moderates (''Mõõdukad''). The Moderates were accepted as a full member of the
Socialist International
The Socialist International (SI) is a political international or worldwide organisation of political parties which seek to establish democratic socialism, consisting mostly of Social democracy, social democratic political parties and Labour mov ...
at its 20th congress in September 1999.
In 1999, the ''Moderates'' and the centre-right
People's Party, set up in May 1998 after a fusion of
Peasants' Party and
People's Party of Republicans and Conservatives
People's Party of Republicans and Conservatives (''Vabariiklaste ja Konservatiivide Rahvaerakond'') was an Estonian political party, which existed under this banner from 1994 to 1998.
History
It was founded in September 1994 after Pro Patria s ...
(a 1994 splinter group from the
Fatherland Alliance), formed the Moderate People's Party (''Rahvaerakond Mõõdukad''). The seemingly unlikely decision to fuse took place on 29 May 1999, with some foreign commentators drawing parallels with '
right-wing
Right-wing politics is the range of political ideologies that view certain social orders and hierarchies as inevitable, natural, normal, or desirable, typically supporting this position based on natural law, economics, authority, property ...
socialists'. In November the same year, the unification was formally approved by party's general assembly.
The Moderates' contacts with People's Party predecessors had started in 1998. The two parties had a joint list in
1999 parliamentary election and formed a governing coalition with Pro Patria Union and Reform Party. In 2003, the Moderate People's Party joined the
Party of European Socialists
The Party of European Socialists (PES) is a Social democracy, social democratic European political party.
The PES comprises national-level political parties from all the European Economic Area, European economic area states (EEA) plus the Unit ...
. After disappointing election results in
2003
2003 was designated by the United Nations as the International Year of Fresh water, Freshwater.
In 2003, a Multi-National Force – Iraq, United States-led coalition 2003 invasion of Iraq, invaded Iraq, starting the Iraq War.
Demographic ...
, the party renamed itself the Social Democratic Party (SDE) on 7 February 2004.
It was the most successful party in the
2004 European Parliamentary Election, obtaining 36.8% of the national vote (most of which went to their leading candidate
Toomas Hendrik Ilves
Toomas Hendrik Ilves (; born 26 December 1953) is an Estonian politician who served as the fourth president of Estonia from 2006 until 2016.
Ilves worked as a diplomat and journalist, and he was the leader of the Social Democratic Party in the 1 ...
) and returning three
MEPs
A member of the European Parliament (MEP) is a person who has been elected to serve as a popular representative in the European Parliament.
When the European Parliament (then known as the Common Assembly of the European Coal and Steel Comm ...
.
The SDE is committed to the
social market economy
The social market economy (SOME; ), also called Rhine capitalism, Rhine-Alpine capitalism, the Rhenish model, and social capitalism, is a socioeconomic model combining a free-market capitalist economic system with social policies and enough re ...
model, in addition to conventional social-democratic values including equality,
social justice
Social justice is justice in relation to the distribution of wealth, opportunities, and privileges within a society where individuals' rights are recognized and protected. In Western and Asian cultures, the concept of social justice has of ...
, solidarity, and the
welfare state
A welfare state is a form of government in which the State (polity), state (or a well-established network of social institutions) protects and promotes the economic and social well-being of its citizens, based upon the principles of equal oppor ...
. On 10 May 2005, former social-liberals
Peeter Kreitzberg and
Sven Mikser joined them. On 28 November former social-liberal Mark Soosaar re-joined the SDE. The party was in opposition from 2002 on, but they participated talks for a common alternative presidential candidate to
Arnold Rüütel
Arnold Rüütel (, 10 May 1928 – 31 December 2024) was an Estonian politician. He was the third President of Estonia from 8 October 2001 to 9 October 2006. Rüütel was the second president of the country after the end of the 1944–1991 Sovie ...
, SDE's
Toomas Hendrik Ilves
Toomas Hendrik Ilves (; born 26 December 1953) is an Estonian politician who served as the fourth president of Estonia from 2006 until 2016.
Ilves worked as a diplomat and journalist, and he was the leader of the Social Democratic Party in the 1 ...
was elected on 23 September 2006 as the next president of Estonia (apart from the Social Democrats, he was supported by the
Reform Party of Estonia,
Pro Patria Union
The Pro Patria Union (, meaning literally Fatherland Union) was a national-conservative political party in Estonia. The party was founded on 2 December 1995 from a merger of the Estonian National Independence Party and the Pro Patria National Co ...
and
Res Publica
', also spelled ''rēs pūblica'' to indicate vowel length, is a Latin phrase, loosely meaning "public affair". It is the root of the ''republic'', and '' commonwealth'' has traditionally been used as a synonym for it; however, translations var ...
deputies).
After last elections to the local government councils on 16 October 2005, the party in most major cities is in opposition, but are a part of the governing coalition in Rakvere and Tapa. The party improved its position in most areas. In Tallinn, it formed a joint list with the agrarian
People's Union, which got six seats out of 63 seats with 11.1% share of votes. Comparing to 2003. elections to the local government council in Tallinn SDE and People's Union gained seats. In the 2003 election, SDE got a 4.9% share of votes and People's Union 3.4% share of votes, which were both below a 5% election threshold. In Estonia, SDE local lists won 6.43% share of votes. In 2003, they got only 4.39% share of votes nationally. SDE is today represented on 65 local councils out of 206 and is governing in 20 local councils. After the 2003 election, the party was represented in 104 local councils out of 247.
SDE's aim in the
2007 Estonian parliamentary election
7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube.
As an early prime number in the series of positive integers, the number seven has symbolic associations in religion, mythology, super ...
was to win at least 17 seats out of 101. Independent member of current
Riigikogu
The Riigikogu (, from Estonian ''riigi-'', "of the state", and ''kogu'', "assembly") is the unicameral parliament of Estonia. In addition to approving legislation, the Parliament appoints high officials, including the prime minister and chi ...
Liina Tõnisson ran as a candidate in their list. All SDE's MEPs and their current MPs were candidates in the 2007 election. The party got 58,354 votes (10.6% of the total), a gain of +3.6%; it won 10 seats in the new Riigikogu, a gain of four.
In April 2007, the Social Democrats joined the coalition government led by the
Estonian Reform Party
The Estonian Reform Party () is a liberal political party in Estonia. The party has been led by Kristen Michal since 2024. It is colloquially known as the "Squirrel Party" () or as "the Squirrels" (), referencing its logo.
It was founded in ...
.
In the
2011 parliamentary election on 6 March 2011, the SDE received 17.1% of the vote and 19 seats.
The small
Russian Party in Estonia
The Russian Party in Estonia (, VEE; ) was a minor centre-left political party in Estonia, representing the Russian minority.
History
The party was originally established as the Russian National Union (; ), a right-of-centre party, in 1920. It r ...
merged into the SDE in 2012.
Following the resignation of Prime Minister
Andrus Ansip
Andrus Ansip (; born 1 October 1956) is an Estonian politician, a member of the European Parliament, the former European Commissioner for Digital Single Market and Vice President of the European Commission, in office from 2014 until 2019. Previo ...
, a new
cabinet was sworn in on 26 March 2014, with
Taavi Rõivas
Taavi Rõivas (; born 26 September 1979) is an Estonian politician, former Prime Minister of Estonia from 2014 to 2016 and former leader of the Reform Party. Before his term as the Prime Minister, Rõivas was the Minister of Social Affairs from ...
of the Reform Party serving as Prime Minister in coalition with the SDE.
In the
2014 European elections held on 25 May 2014, the SDE won 13.6% of the national vote, electing a single
Member of the European Parliament
A member of the European Parliament (MEP) is a person who has been Election, elected to serve as a popular representative in the European Parliament.
When the European Parliament (then known as the Common Assembly of the European Coal and S ...
.
In the
2015 parliamentary election on 1 March 2015, the SDE received 15.2% of the vote and 15 seats in the Riigikogu. After the coalition formation with the Reform Party and
Pro Patria and Res Publica Union
Isamaa () is a Christian democratic and national conservative political party in Estonia.
It was founded on 4 June 2006 under the name of "Pro Patria and Res Publica Union", by the merger of two conservative parties, Pro Patria Union and Res ...
(IRL), MP
Jevgeni Ossinovski announced that he would challenge Sven Mikser in the party congress on 30 May 2015. Mikser however stepped down before the election at the congress and Ossinovski was chosen as the new party leader.
On 7 November 2016, the Social Democratic Party and IRL announced that they were asking Prime Minister
Taavi Rõivas
Taavi Rõivas (; born 26 September 1979) is an Estonian politician, former Prime Minister of Estonia from 2014 to 2016 and former leader of the Reform Party. Before his term as the Prime Minister, Rõivas was the Minister of Social Affairs from ...
to resign and were planning on negotiating a new majority government. In the following vote of confidence on 9 November, the majority of Riigikogu voted in favour of removing the prime minister's government.
On 23 November 2016, a coalition government led by
Estonian Centre Party
The Estonian Centre Party (, EK) is a populist political party in Estonia. It was founded in 1991 as a direct successor of the Popular Front of Estonia, and it is currently led by Mihhail Kõlvart.
The party was founded on 12 October 1991 f ...
(EK) leader
Jüri Ratas consisting of EK, SDE and IRL was sworn in. This
cabinet governed until 29 April 2019, when it was brought does by a vote of no confidence when the SDE and IRL sided with the opposition parties.
In the
2019 parliamentary election held on 3 March 2019, the SDE received 9.8% of the vote and 10 seats. In the
2019 European elections on 26 May 2019, the party won 23.3% of the national vote and two seats in the European Parliament.
The SDE returned to government on 18 July 2022 as a junior member of
second Kallas government, led by Reform Party leader
Kaja Kallas
Kaja Kallas (; born 18 June 1977) is an Estonian politician and diplomat. She was the first female prime minister of Estonia, a role she held from 2021 until 2024, when she resigned in advance of her appointment as High Representative of the ...
, and also including the
Isamaa party.
In the
2023 parliamentary election, the SDE received 9.3% of the vote and nine seats. Following the election on 7 March, Prime Minister Kallas invited the SDE and
Estonia 200 for preliminary talks aimed at forming a new coalition government. A coalition agreement between the three parties was reached by 7 April, giving SDE three ministerial positions, and was officially signed on 10 April. On 17 April, the
third Kallas government was sworn into office.
One year on from the
2023 Estonian parliamentary election
Parliamentary elections were held in Estonia on 5 March 2023 to elect all 101 members of the Riigikogu. The officially published election data indicate the victory of the Estonian Reform Party, Reform Party, which won 37 seats in total, while t ...
, the Social Democrats remained the only party in the government coalition to avoid losing support in polling. This was attributed to the party members' public statements, especially those of the leader of the party
Lauri Läänemets, setting the Social Democrats apart from the two economically liberal parties in the coalition. Moreover, the party gained MPs and members from the defections out of the Centre Party, including seeing its number of MPs increase from nine to 13.
Leaders

*
Marju Lauristin
Marju Lauristin (born 7 April 1940) is an Estonian politician, and former Member of the European Parliament and Minister of Social Affairs. She is a member of the Social Democratic Party, part of the Party of European Socialists. Lauristin is ...
(1990–1995)
*
Eiki Nestor (1995–1996)
*
Andres Tarand (1996–2001)
*
Toomas Hendrik Ilves
Toomas Hendrik Ilves (; born 26 December 1953) is an Estonian politician who served as the fourth president of Estonia from 2006 until 2016.
Ilves worked as a diplomat and journalist, and he was the leader of the Social Democratic Party in the 1 ...
(2001–2002)
*
Ivari Padar (2002–2009)
*
Jüri Pihl (2009–2010)
*
Sven Mikser (2010–2015)
*
Jevgeni Ossinovski (2015–2019)
*
Indrek Saar
Indrek Saar (born February 20, 1973) is an Estonian actor and politician. He has been the leader of the Social Democratic Party from 2019 to 2022 and the Minister of Culture of Estonia from 2015 to 2019.
Saar has been elected to the Estonian parl ...
(2019–2022)
*
Lauri Läänemets (2022–present)
Election results
Parliamentary elections
European Parliament elections
Periods in government
The party was in government in the following periods: 1992–1994 (
Mart Laar's first government), 1994–1995 (
Andres Tarand's government, often called to ''Christmas Peace government''
'jõulurahu valitsus'', 1999–2002 (Mart Laar's second government, often called the ''Triple Alliance''
'kolmikliit'', and 2007–2009, some of which included participating in three centre-right governments with the
Fatherland Union and
Reform Party. The party returned to government in
Kaja Kallas' second cabinet on 18 July 2022 in a coalition with
Reform
Reform refers to the improvement or amendment of what is wrong, corrupt, unsatisfactory, etc. The modern usage of the word emerged in the late 18th century and is believed to have originated from Christopher Wyvill's Association movement, which ...
and
Isamaa. The party was removed from Kristen Michal's cabinet on 10 March 2025.
Symbols
Mõõdukad.png, logo of the Moderate People's Party
Sotsiaaldemokraatlik Erakond Teillogo.svg, Party symbol until 2016
Sotsiaaldemokraatlik Erakond Logo 2017.svg, Party symbol since 2016
See also
*
Social Democratic Party
The name Social Democratic Party or Social Democrats has been used by many political parties in various countries around the world. Such parties are most commonly aligned to social democracy as their political ideology.
Active parties
Form ...
*
Estonian Social Democratic Workers Party (historical)
References
External links
Official websiteSocial Democratic Youth in Estonia
{{Authority control
1990 establishments in Estonia
Centre-left parties in Europe
Former member parties of the Socialist International
Party of European Socialists member parties
Political parties established in 1990
Political parties in Estonia
Political parties in the Estonian Soviet Socialist Republic
Pro-European political parties in Estonia
Pro-independence parties in the Soviet Union
Social democratic parties in Estonia
Social democratic parties in the Soviet Union