The Progress Party (Norwegian: Fremskrittspartiet, FrP) is a major Norwegian political party characterized by its right-wing populist, libertarian, and anti-immigration positions. Founded in 1973 by Anders Lange as a protest against high taxes, government overreach, and bureaucracy, it initially focused on reducing the size of the welfare state, cutting public spending, and promoting individual freedoms, drawing support from anti-establishment voters. Over the decades, it has evolved into one of Norway's largest parties, appealing to working-class and rural voters disillusioned with the traditional social democratic consensus. The party promotes free-market economics, including lower taxes, deregulation of markets, privatization of state-owned enterprises and public services, and reduced welfare spending. It advocates for strict immigration controls, including restrictions on asylum seekers, integration requirements for immigrants, assimilation policies, and a tough stance on crime and law-and-order reforms. FrP has been influential in debates on resource management, particularly Norway's oil wealth distribution, and supports a strong national defense while expressing skepticism toward supranational organizations like the EU, though it favors EEA membership; under current leader Sylvi Listhaug, it has shifted toward a more populist stance emphasizing cultural preservation and opposition to the EU. On environmental policies, it often prioritizes economic growth over stringent climate measures.

Since entering the Storting (Norwegian parliament) in 1973, FrP has grown significantly, becoming the second-largest party in the 2009 election. It achieved a key milestone by joining a center-right coalition government for the first time in 2013 as a junior partner in the conservative Solberg Cabinet, where it held key ministries such as Finance, Justice, and Immigration until 2021. Under leaders like Siv Jensen, it influenced policies on immigration reduction, tax cuts, and economic liberalization, but withdrew support in 2020 over a child welfare scandal involving the repatriation of an ISIS-linked Norwegian woman and her children. The party has faced internal ideological tensions between its classical liberal and populist nationalist wings, leading to several high-profile splits, leadership changes, and controversies. Notable scandals include accusations of xenophobia and Islamophobia, members' inflammatory statements, and associations with far-right elements; a 2013 case linked a party youth member to the Utøya massacre perpetrator, and the 2011 Norway attacks by a far-right extremist cited FrP policies approvingly, though the party condemned the violence. Despite these challenges, FrP remains a vocal opposition force, focusing on issues like elderly care, transportation, and environmental policies.

The party's influence extends to local and regional politics, where it has held mayoral positions and council seats across Norway. Membership peaked around 40,000 in the 2010s, and it consistently polls between 10-20% nationally. Financially, it relies on state funding based on electoral performance, private donations, and membership fees, with no major disclosed scandals in funding sources. Key figures include former leaders like Siv Jensen and current ones like Terje Søviknes and Sylvi Listhaug. While praised by some for fiscal conservatism, it is criticized by left-leaning parties and human rights groups for rhetoric on Islam and multiculturalism, with accusations of undermining social equality and human rights. It has moderated some positions during government participation to broaden appeal but remains a polarizing force in Norwegian politics.