Happiest Countries In The World: No. 10, United Kingdom(01 of11)
Open Image ModalCrowds gather outside Buckingham Palace after the Royal Wedding of Prince William to Catherine Middleton on April 29, 2011 in London, England. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (credit:Getty Images)
Happiest Countries In The World: No. 9, Iceland(02 of11)
Open Image ModalThis picture taken on April 25, 2013 in Reykjavik. (HALLDOR KOLBEINS/AFP/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 8, Netherlands(03 of11)
Open Image ModalAMSTERDAM, NETHERLANDS - APRIL 30: A general view of celebrations for the inauguration of King Willem Alexander of the Netherlands as Queen Beatrix of the Netherlands abdicates on April 30, 2013 in Amsterdam, Netherlands. (Photo by Chris Jackson/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 8, Netherlands(04 of11)
Open Image ModalIn this file photo, Dutch Queen Beatrix receives tulips during her visit to the western Dutch city of Leiden. Queen Beatrix announced she is to abdicate in favor of Crown Prince Willem Alexander during a nationally televised speech Monday, Jan. 28, 2013. Beatrix, who turns 75 on Thursday, has ruled the nation of 16 million for more than 32 years and would be succeeded by her eldest son, Crown Prince Willem-Alexander. (AP Photo/Raymond Rutting, Pool, File) (credit:AP)
Happiest Countries In The World: No. 7, Denmark(05 of11)
Open Image ModalCOPENHAGEN, DENMARK: A Danish girl holds a flag with a picture of H.R.H. Crown Prince Frederik and Miss Mary Elizabeth Donaldson of Australia, as she waits outside the Copenhagen City Hall 12 May 2004, where the Royal couple attend a reception held for them. The two will get married 14 May in a large scale royal wedding here in Copenhagen. AFP PHOTO - SVEN NACKSTRAND (Photo credit should read SVEN NACKSTRAND/AFP/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 6, United States(06 of11)
Open Image ModalMembers of the Chinese American community, tourists and other New Yorkers celebrate the the first day of the Lunar New Year, the Year of the Snake, in New York\'s Chinatown on February 10, 2013 in New York City. (Photo by Spencer Platt/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 5, Switzerland(07 of11)
Open Image ModalTwo persons are seen in silhouette over heavy fog hanging above Lake Geneva (Lac Leman) on November 16, 2012 above Riex near Lausanne, western Switzerland. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 4, Norway(08 of11)
Open Image ModalTO GO WITH STORY IN FRENCH BY Pierre-Henry DESHAYES A general view taken on August 19, 2008 shows the harbor of the port of Henningsvaer on one of the northern Norwegian Lofoten islands. The sea around the string of islands is rich in fish, especially cod, and could well hold large petrol reserves while the land attracts many tourists. The islands are now at the center of a dispute between fishermen, environmentalists and petroleum groups. AFP PHOTO / Pierre-Henry DESHAYES (Photo credit should read Pierre-Henry DESHAYES/AFP/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 3, Canada(09 of11)
Open Image ModalCANADA - SEPTEMBER 09: The Canadian flag flies over the course during the second round of the 2005 Bell Canadian Open, September 9,2005, held at Shaughnessy Golf & Country Club, Vancouver, B.C. Mark Calcavecchia finished at -5 for his tournament win. (Photo by S. Badz/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 2, Sweden(10 of11)
Open Image ModalSwedish supporters cheer their team during a victory celebration a day after winning the 2013 IIHF Ice Hockey World Championship, on May 20, 2013 in Stockholm. (JONATHAN NACKSTRAND/AFP/Getty Images) (credit:Getty Images)
Happiest Countries In The World: No. 1, Australia(11 of11)
Open Image ModalA kaleidoscope of fireworks designed by Marc Newson explode over the Sydney Opera House (L) and the Sydney Harbour Bridge on January 1, 2012. Over one and a half million Sydneysiders lined the harbour vantage points to watch the spectacular pyrotechnic display ushering in the New Year. (TORSTEN BLACKWOOD/AFP/Getty Images) (credit:Getty Images)