 The decline of the Communist Party started in 2009 after Marian Lupu joined the Democratic Party.In the April 2009 parliamentary elections, the Communist Party won 49.48% of the votes, followed by the Liberal Party with 13.14% of the votes, the Liberal Democratic Party with 12.43%, and the Alliance "Moldova Noastră" with 9.77%.The controversial results of this election sparked civil unrest
In August 2009, four Moldovan parties (Liberal Democratic Party, Liberal Party, Democratic Party, and Our Moldova Alliance) agreed to create the Alliance For European Integration that pushed the Party of Communists of the Republic of Moldova into opposition.