The Junior Eurovision Song Contest 2005 was the third edition of the annual Junior Eurovision Song Contest for young singers aged 8 to 15. On 26 November 2005, the contest was broadcast live from the Ethias Arena in Hasselt, Belgium, in a joint effort by the national broadcasters Vlaamse Radio- en Televisieomroep (VRT) and Radio télévision belge de la communauté française (RTBF), in co-operation with the European Broadcasting Union. Marcel Vanthilt and Maureen Louys hosted the event.
Croatia participated in the Junior Eurovision Song Contest five times, and won the inaugural edition in 2003. Croatian broadcaster Hrvatska radiotelevizija (HRT), a member organisation of the European Broadcasting Union (EBU), were responsible for the country's participation. Croatia participated in the first four editions, from 2003 to 2006, organising a national final to select the country's entrant. The first representative to participate for Croatia was Dino Jelusić with the song "Ti si moja prva ljubav", which finished in first place out of sixteen participating entries, with a score of 134 points. Croatia was absent from the contest between 2007 and 2013, but HRT decided to return to the contest in 2014 and selected their entry internally. In 2014, Josie finished in last place for Croatia with the song "Game Over", after which HRT again withdrew from competing the following year.
Switzerland has participated in the Eurovision Song Contest 64 times since its debut at the first contest in 1956, missing only four contests because of being relegated due to poor results the previous year: 1995, 1999, 2001, and 2003. Switzerland hosted the inaugural contest in 1956 in Lugano, where it also won. The country claimed its second victory in 1988, 32 years after the first, and its third in 2024, 36 years after the second win. The Swiss participant broadcaster in the contest is the Swiss Broadcasting Corporation.
The United Kingdom first participated in the Junior Eurovision Song Contest at the inaugural 2003 edition which took place in Copenhagen, Denmark. ITV, a member organisation of the United Kingdom Independent Broadcasting (UKIB) and the European Broadcasting Union (EBU), was responsible for the selection process of their participation from 2003 to 2005. The United Kingdom used a national selection format, broadcasting a show entitled Junior Eurovision Song Contest: The British Final, for their participation at the contests. The first representative to participate for the nation at the 2003 contest was Tom Morley with the song "My Song For The World", which finished in third place out of sixteen participating entries, achieving a score of one hundred and eighteen points. The United Kingdom withdrew from competing after the 2005 contest, but returned to the contest in 2022 in Yerevan, Armenia, with the British Broadcasting Corporation (BBC) replacing ITV as the country's broadcaster. The country withdrew again from the 2024 contest in Madrid.
Belgium competed in every Junior Eurovision Song Contest before withdrawing in 2013. The country's best result was in 2009, when Laura Omloop came 4th with "Zo verliefd". Belgium's worst result was in 2007, with Trust coming 15th with "Anders".
Denmark has competed in the Junior Eurovision Song Contest three times. Danish broadcaster DR hosted the first Junior Eurovision Song Contest in 2003, having developed the contest's predecessor MGP Nordic.
Sweden has participated at the Junior Eurovision Song Contest eleven times since its inception in 2003. Two broadcasters have been responsible for Sweden's entries at Junior Eurovision – from 2003 to 2005, Sveriges Television (SVT) was responsible, before withdrawing with other Nordic broadcasters. From 2006 to 2009, commercial broadcaster TV4 was responsible for Sweden's entry at the Junior Eurovision.
Norway has participated in the Junior Eurovision Song Contest three times and was the host of the 2004 Contest, held in the Norwegian city of Lillehammer.
Cyprus has participated in the Junior Eurovision Song Contest nine times since debuting at the first contest in 2003. The country's best result was eighth place, which was achieved both at the 2004 and 2006 contests with Marios Tofi and the song "Oneira" and Luis Panagiotou and Christina Christofi and the song "Agoria koritsia" respectively. The national broadcaster Cyprus Broadcasting Corporation (CyBC) has hosted the event for Cyprus once, in 2008 in Limassol. The nation's last appearance in the contest was in 2017, they will return in 2024 for the contest in Madrid.
Belarus has participated in the Junior Eurovision Song Contest in every edition since its inception in 2003 until 2020. The Belarusian Television and Radio Company (BTRC), then a member organisation of the European Broadcasting Union (EBU), has been responsible for the selection process of its participants since its debut. The country hosted the contest at the Minsk-Arena in 2010 and again in 2018.
The participation of Latvia in the Junior Eurovision Song Contest first began at the inaugural Junior Eurovision Song Contest in 2003 which took place in Copenhagen, Denmark. Latvijas Televīzija (LTV), a member of the European Broadcasting Union (EBU), were responsible for the selection process of their participation. Latvia used a national selection format, broadcasting shows entitled "Bērnu Eirovīzija" and later "Balss Pavēlnieks", for their participation at the contests. The first representative to participate for the nation at the 2003 contest was Dzintars Čīča with the song "Tu esi vasarā", which finished in ninth place out of sixteen participating entries, achieving a score of thirty-seven points. Latvia were originally absent from the competition from 2006 to 2009. Latvia briefly returned in 2010 and 2011 however again withdrew from competing after the contest held in Yerevan, and have yet to make their return to the contest.
Switzerland participated at the Eurovision Song Contest 2005 with the song "Cool Vibes" written by David Brandes, Jane Tempest and John O'Flynn. The song was performed by the band Vanilla Ninja, which was internally selected by the Swiss broadcaster SRG SSR idée suisse in November 2004 to represent the nation at the 2005 contest in Kyiv, Ukraine. "Cool Vibes" was presented to the public as the Swiss song during the show Congratulations - 50 Jahre Eurovision Song Contest on 5 March 2005.
The participation of Portugal in the Junior Eurovision Song Contest first began at the Junior Eurovision Song Contest in 2006 which took place in Bucharest, Romania. Rádio e Televisão de Portugal (RTP), a member of the European Broadcasting Union (EBU), were responsible for the selection process of their participation. Portugal used a national selection format, broadcasting a show entitled "Festival da Canção Junior", for their participation at the contests. This was a junior version of Festival da Canção, the national music competition organised by broadcaster RTP to choose the Portuguese entry for the Eurovision Song Contest. The first representative to participate for the nation at the 2006 contest was Pedro Madeira with the song "Deixa-me sentir", which finished in second-last place out of fifteen participating entries, achieving a score of twenty-two points. Their worst result to date has been achieved by Rita Laranjeira with her song "Gosto de tudo " in the Junior Eurovision Song Contest 2018 where she placed 18th. Portugal withdrew from competing in 2008, and returned in 2017. They withdrew again in 2020 due to the COVID-19 pandemic. Portugal returned in 2021, where they achieved 11th place, their best result up to that point. In 2022 the country surpassed this record and reached 8th place.
Serbia and Montenegro participated in the Junior Eurovision Song Contest 2005; their only participation during the country's existence. Filip Vučić represented the country with "Ljubav pa fudbal", which finished 13th for the country. Following the country's dissolution in 2006, Serbia continued to participate in the contest, debuting in 2006. Montenegro participated in the 2014 contest.
France has participated in the Junior Eurovision Song Contest seven times, debuting in Lillehammer, Norway, at the Junior Eurovision Song Contest 2004. France Télévisions, a member organisation of the European Broadcasting Union (EBU), is responsible for the selection process of their participation. The first representative to participate for the nation was Thomas Pontier with the song "Si on voulait bien", which finished in sixth place out of eighteen participating entries, achieving a score of seventy-eight points. France did not participate after 2004, and made its return to the contest in 2018, 14 years later. France has won the contest on three occasions: in 2020, with Valentina and the song "J'imagine", in 2022, with Lissandro and the song "Oh Maman!", and in 2023, with Zoé Clauzure and the song "Cœur".
Switzerland participated in the Eurovision Song Contest 2002 with the song "Dans le jardin de mon âme" written and performed by Francine Jordi. The Swiss broadcaster SRG SSR idée suisse returned to the Eurovision Song Contest after a one-year absence following their relegation from 2001 as one of the bottom six countries in the 2000 contest. The Swiss entry for the 2002 contest in Tallinn, Estonia was selected through the national final Eurosong 2002, organised by SRG SSR idée suisse. Eight entries performed during the national final on 2 February 2002 where two rounds of public voting ultimately selected "Dans le jardin" performed by Francine Jordi as the winner. The song was later retitled as "Dans le jardin de mon âme".
Switzerland competed in the Eurovision Song Contest 2008 with the song "Era stupendo" by Paolo Meneguzzi. Meneguzzi was chosen by the Swiss national broadcaster, SRG SSR idée suisse, to sing for Switzerland in Belgrade, Serbia. For 2008, SRG SSR idée suisse had continued to internally select the song and singer to represent Switzerland at the 2008 contest, with an open call for songs being held by the broadcaster.
The participation of Israel in the Junior Eurovision Song Contest first began in Amsterdam, Netherlands, at the Junior Eurovision Song Contest 2012. The Israel Broadcasting Authority (IBA) a member organisation of the European Broadcasting Union (EBU) were responsible for the selection process of their participation in 2012 and 2016, with the Israeli Public Broadcasting Corporation (IPBC) taking over participation from 2018. The first representative to participate for the nation was Kids.il with the song "Let the Music Win", which finished in eighth place out of twelve participating entries, achieving a score of 68 points. Israel did not return to the contest in 2013, and also sat out of the 2014 and 2015 contests. However, following their success at the 2015 and 2016 Eurovision Song Contests, the IBA expressed an interest in making a return to competing at Junior Eurovision. Israel returned to the contest in 2016, with their entrant being selected internally. Israel then withdrew from the contest in 2017, before returning again in 2018, and withdrawing again in 2019.
Italy debuted at the Junior Eurovision Song Contest when the twelfth edition of competition was held in Malta in 2014.
Montenegro debuted at the Junior Eurovision Song Contest 2014, which was held in Marsa, Malta. Prior to its debut as an independent nation, Montenegro participated at the Junior Eurovision Song Contest 2005 as part of Serbia and Montenegro. After taking part in the 2014 and 2015 contests, the nation has not returned to the contest.
