[2][3][4] In 2015, the SDP formed a coalition with the Green Party Taiwan to contest the 2016 legislative election.

[5][6] Currently, the SDP has become part of the Pan-Green camp, with more Taiwanese nationalist positions accepted and working with the Democratic Progressive Party.

[1] 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.

[8] 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.

[9] In the 2018 local elections, SDP candidate Miao Po-ya won a seat on the Taipei City Council.