OSLO, Norway -- Erna Solberg, poised to become oil-rich Norway's new prime minister after a landslide victory in the country's parliamentary elections, faces tough negotiations with three other center-right parties to form a government.

Solberg said Tuesday she aims to form a broad coalition government that comprises her Conservative Party, the anti-immigration Progress Party, the Liberal Party and the Christian Democrats.

The latter two parties have said they would not join a government including the Progress Party, although their positions have softened recently. Still, Solberg's party could end up forming a minority government with the Progress Party alone.

"Many difficult negotiations are ahead, but nothing will be done in secret in a back room," Solberg told reporters outside her apartment block home Tuesday morning.

"Everybody must give and take but that is what coalition governments are all about," she added.

Norway's oil wealth helped it withstand Europe's financial crisis and retain low unemployment throughout previous Prime Minister Jens Stoltenberg's eight years in power. Still, the Conservative Party defeated his ruling coalition, securing 48 of the total 169 seats in parliament, amid pledges to increase the availability of private health care and cut taxes on assets over $140,000.

The Progress Party got 29 seats, the Christian Democrats 10 and the Liberal Party nine.

Analysts say the four parties will particularly struggle to agree on energy, foreign aid and immigration.

The Liberal Party and the Christian Democrats want liberal immigration policies while the Progress Party wants to limit the influx of immigrants. Additionally, the Conservative Party and the Progress Party want to explore possibilities to expand oil exploration in an area off the coast of northern Norway, while the other two parties want to protect the natural environment.

"It is very hard to imagine these four parties presenting a joint declaration of government," said TV2's political commentator Jan-Erik Larsen.

Hanne Skartveit, political editor at the newspaper VG, said she thinks a four-party coalition is possible.

She said the Progress Party has softened its anti-immigrant stance "immensely" in recent years and is not an "extreme anti-immigrant party as we know them from the rest of Europe."

Outgoing Prime Minister Jens Stoltenberg's Labor Party remained the biggest single party in the election with 55 seats, but only got a total of 72 seats together with its partners, the Socialist Party and the Center Party.


Rising reported from Stockholm. David MacDougall in Oslo contributed to this report.

Earlier on HuffPost:

Data From The Economist Intelligence Unit
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  • No. 25: Spain

    2012 Democracy Score: 8.02 2011 Democracy Score: 8.02 <em>Supporters of Spain's national football team are hosed down by a fireman before congratulating their team's players on their return to Madrid following their victory in Euro 2012 football championships on July 2, 2012 in Madrid, Spain. (Photo by Oli Scarff/Getty Images)</em>

  • No. 24: Belgium

    2012 Democracy Score: 8.05 2011 Democracy Score: 8.05 <em>A file photo taken 24 November 2006 shows people looking at an art exhibition of giant French fries during the 'Krak van de Frietzak' (French fries contest) at the Antwerp Grote Markt (market). (KRIS VAN EXEL/AFP/Getty Images)</em>

  • No. 23: Japan

    2012 Democracy Score: 8.08 2011 Democracy Score: 8.08 <em>Families release a paper lantern into the sky in commemoration of the victims of last year's earthquake and tsunami, on March 11, 2012 in Natori, Japan. (Photo by Daniel Berehulak/Getty Images)</em>

  • No. 22: Costa Rica

    2012 Democracy Score: 8.10 2011 Democracy Score: 8.10 <em>A rainbow is seen as boys play football while enjoy the beach during sunset on November 21, 2010 in Puntarenas beach in Costa Rica, some 100 kilometers from San Jose. (YURI CORTEZ/AFP/Getty Images)</em>

  • No. 21: United States Of America

    2012 Democracy Score: 8.11 2011 Democracy Score: 8.11 <em>Fans wave American Flags during the seventh inning strech at the game between the Baltimore Orioles and the New York Yankees on September 11, 2002 at Yankee Stadium in the Bronx, New York. (Photo by Ezra Shaw/Getty Images)</em>

  • No. 20: South Korea

    2012 Democracy Score: 8.13 2011 Democracy Score: 8.06 <em>South Korean special warfare command soldiers cover themselves in snow during a winter military training exercise on January 11, 2012 in Pyeongchang-gun, South Korea. (Photo by Chung Sung-Jun/Getty Images)</em>

  • No. 18 (Tie): Mauritius

    2012 Democracy Score: 8.17 2011 Democracy Score: 8.04 <em>An aerial view of the Bernhard Langer designed 'One&Only Le Touessrok Golf Course' on the Ile Aux Cerfs Island at the One and Only Le Touessrok Resort, on January 19, 2004 in Trou d'Eau Douce, Mauritius. (Photo by David Cannon/Getty Images)</em>

  • No. 18 (Tie): Uruguay

    2012 Democracy Score: 8.17 2011 Democracy Score: 8.17 <em>Uruguayan 'gauchos' take part in the reenacting of 'La Redota', also known as 'The Exodus' in Paso de los Carros, San Jose Department, Uruguay, on October 23, 2011. On 1811, Uruguayan independence’s hero Jose Gervasio Artigas, decided to move north accompanied by some 16,000 soldiers, peasants and indigenous people, after learning that Spain had taken back the government of the territory that finally became Uruguay. (MIGUEL ROJO/AFP/Getty Images)</em>

  • No. 17: Czech Republic

    2012 Democracy Score: 8.19 2011 Democracy Score: 8.19 <em>The Moldau River flows under the Charles Bridge and past buildings in Old Town on April 12, 2009 in Prague, Czech Republic. Prague is among Europe's major tourist destinations. (Photo by Sean Gallup/Getty Images)</em>

  • No. 16: United Kingdom

    2012 Democracy Score: 8.21 2011 Democracy Score: 8.16 <em>A man walks past a puddle with the reflection of Big Ben's Clock Tower in, following A heavy downpour of rain in Westminster on July 14, 2010 in London, England. (Photo by Oli Scarff/Getty Images)</em>

  • No. 15: Malta

    2012 Democracy Score: 8.28 2011 Democracy Score: 8.28 <em>Malta's loving youth kiss in front of the harbour of Valletta the capital of the Mediterranean archipelago 11 April 2003. (VINCENZO PINTO/AFP/Getty Images)</em>

  • No. 14: Germany

    2012 Democracy Score: 8.34 2011 Democracy Score: 8.34 <em>Alphorn musicians perform in front of the Bavaria monument during the Oktoberfest open-air concert at the Theresienwiese in Munich, southern Germany, on September 30, 2012. (CHRISTOF STACHE/AFP/GettyImages)</em>

  • No. 13: Ireland

    2012 Democracy Score: 8.56 2011 Democracy Score: 8.56 <em>Ireland fans during the International Friendly between Republic of Ireland and Bosnia at the AVIVA Stadium on May 26, 2012 in Dublin, Ireland. (Photo by Christopher Lee/Getty Images)</em>

  • No. 12: Austria

    2012 Democracy Score: 8.62 2011 Democracy Score: 8.49 <em>A shop assistant adjusts some display lights at one of the Mozart dedicated sweets and souvenir shops on Vienna's main shopping street Kaertner strasse, 09 December 2003. (JOE KLAMAR/AFP/Getty Images)</em>

  • No. 11: Luxembourg

    2012 Democracy Score: 8.88 2011 Democracy Score: 8.88 <em>Inside the Cathedrale Notre-Dame as Luxembourg prepares for its Royal Wedding, on October 12, 2012 in Luxembourg. (Photo by Hannelore Foerster/Getty Images)</em>

  • No. 10: The Netherlands

    2012 Democracy Score: 8.99 2011 Democracy Score: 8.99 <em>Blooming daffodils are seen in the foreground as tourists atop a windmill admire the flower exhibition at Keukenhof, Lisse, near Amsterdam, Sunday, April 8, 2012. (AP Photo/Peter Dejong)</em>

  • No. 9: Finland

    2012 Democracy Score: 9.06 2011 Democracy Score: 9.06 <em>Tourists walk in the Santa Claus Village near Rovaniemi, Finnish Lapland, on December 14, 2011. (JONATHAN NACKSTRAND/AFP/Getty Images)</em>

  • No. 8: Canada

    2012 Democracy Score: 9.08 2011 Democracy Score: 9.08 <em>Canada's goalkeeper Roberto Luongo celebrates with the national flag after defeating the U.S. in the men's gold medal Ice Hockey match at Canada Hockey Place during the Vancouver Winter Olympics in Vancouver on February 28, 2010. (LUIS ACOSTA/AFP/Getty Images)</em>

  • No. 7: Switzerland

    2012 Democracy Score: 9.09 2011 Democracy Score: 9.09 <em>A general view of Davos at dusk on January 10, 2012 in Davos, Switzerland. (Photo by Harold Cunningham/Getty Images)</em>

  • No. 6: Australia

    2012 Democracy Score: 9.22 2011 Democracy Score: 9.22 <em>A kangaroo hops through the outback landscape June 7, 2005 near Marree, Australia. (Photo by Ian Waldie/Getty Images)</em>

  • No. 5: New Zealand

    2012 Democracy Score: 9.26 2011 Democracy Score: 9.26 <em>Middle Earth flags fly during the Hobbit Artisan Market ahead of the 'The Hobbit: An Unexpected Journey' world premiere at Waitangi Park on November 25, 2012 in Wellington, New Zealand. (Photo by Hagen Hopkins/Getty Images)</em>

  • No. 4: Denmark

    2012 Democracy Score: 9.52 2011 Democracy Score: 9.52 <em>Taryn Heather of Australia in action in the Elite Women's Time Trial at the UCI Road World Championships on September 20, 2011 in Copenhagen, Denmark. (Photo by Bryn Lennon/Getty Images)</em>

  • No. 3: Iceland

    2012 Democracy Score: 9.65 2011 Democracy Score: 9.65 <em>A stock image of the Blue Lagoon leisure spa in Iceland, on March 25, 2006. (Leon Neal/AFP/Getty Images)</em>

  • No. 2: Sweden

    2012 Democracy Score: 9.73 2011 Democracy Score: 9.50 <em>A Swedish fan poses prior to the UEFA EURO 2012 group D match between Sweden and France at The Olympic Stadium on June 19, 2012 in Kiev, Ukraine. (Photo by Lars Baron/Getty Images)</em>

  • No. 1: Norway

    2012 Democracy Score: 9.93 2011 Democracy Score: 9.80 <em>People walk past the Nobel Peace center in Oslo, Norway, Sunday Dec. 9, 2012. (AP Photo/Yves Logghe)</em>