In Croatia, the Opposition () comprises all political parties represented in the Croatian Parliament that are not part of the Government which is supported by the parliamentary majority.
The Leader of the Opposition () is an unofficial, seldom used title held by the leader of the largest party with no representatives within the government. Where one party wins outright this is usually the leader of the second largest political party in the Parliament (usually the Croatian Democratic Union (HDZ) or the Social Democratic Party (SDP)).
The current Leader of the Opposition is Sinià ¡a Hajdaà ¡ DonÃÂiÃÂ, president of the SDP, who took up the role on 21 September 2024, after winning the elections for the head of the Social Democratic Party.
Ivica RaÃÂan of the Party of Democratic Changes led the opposition in 1990 and 1991.
The Cabinet of Franjo GreguriÃÂ formed in 1991 was a National Unity Government.
Draà ¾en Budià ¡a of the Croatian Social Liberal Party led the opposition between 1992 and 2000.
Vladimir à  eks led the Croatian Democratic Union in opposition until the election of Ivo Sanader in 2000.
Ivica RaÃÂan led the opposition between 2003 and 2007. à ½eljka Antunoviàbecame the head of SDP after his death, until Zoran Milanoviàwas elected.
In the Sixth assembly of the Croatian Parliament (2007âÂÂ2011), the parties in Sabor that included the opposition were:
The leader of the opposition was Zoran MilanoviÃÂ, leader of the Social Democratic Party of Croatia.
In the Seventh assembly of the Croatian Parliament (2011âÂÂ2015), the parties in Sabor that include the opposition were:
In 2011 Jadranka Kosor led the Croatian Democratic Union in opposition, until the 2012 election of Tomislav Karamarko.
In the Eight assembly of the Croatian Parliament (2015âÂÂ2016), the parties in Sabor that include the opposition are:
Zoran MilanoviÃÂ led the opposition in 2016.
In the Ninth assembly of the Croatian Parliament (2016âÂÂ2020), the parties in Sabor that include the opposition are:
Zoran MilanoviÃÂ led the opposition until the November 2016 election of Davor BernardiÃÂ as the new leader of the Social Democratic Party.
In the Tenth assembly of the Croatian Parliament (2020âÂÂ24), the parties in Sabor that included the opposition were:
In 2020, Zlatko Komadina headed SDP until the election of PeÃÂa Grbin.
A new party called the Social Democrats was founded in July 2022, and it immediately became the largest opposition party in parliament.
In the eleventh assembly of the Croatian Parliament (2024âÂÂ), the parties in Sabor that include the opposition are:
In 2024, Sinià ¡a Hajdaà ¡ DonÃÂiàwas elected the new head of the SDP.