Social Democratic Party 社會民主黨
Abbreviation	SDP
Leader	Louis Lu
Founded	29 March 2015 (2015-03-29)
Headquarters	2nd Floor, No. 70, Yanping South Road, Zhongzheng, Taipei, Taiwan
Ideology	Social democracy Progressivism
Political position	Centre-left
Legislative Yuan	0 / 113
Local councillors	1 / 912
Website
sdparty.tw
Politics of Taiwan Political parties Elections

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The Social Democratic Party (SDP)^[I] is a centre-left political party in Taiwan founded in 2015.^[1][2][3] The SDP is one of Taiwan's "Third Force" (第三勢力) parties, a collection of parties that do not self-claim to either the Pan-Green or Pan-Blue Coalitions and tend to be rooted in social movements.^[4][5] In 2015, the SDP formed a coalition with the Green Party Taiwan to contest the 2016 legislative election.

Political ideology

The SDP is a social-democratic and progressive party, calling for a reduction in income inequality, the protection of labour rights, the abolition of the death penalty and the legalisation of same-sex marriage.^[6] The party has also called for a reform to Taiwan's electioneering process, criticising the advantage given to parties with big financial backers.^[7]

Electoral history

In the 2016 legislative election, the SDP ran in a coalition with the Green Party Taiwan, garnering 2.5% of the vote and winning no seats.^[8]

In the 2018 local elections, SDP candidate Miao Po-ya won a seat on the Taipei City Council. She is one of the first openly lesbian members of the municipal council.^[9]