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 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.
Armenia has participated in the Junior Eurovision Song Contest since 2007. Armenian Public Television (ARMTV), a member organisation of the European Broadcasting Union (EBU), have been responsible for the selection process of their participants since their debut.
The participation of Azerbaijan in the Junior Eurovision Song Contest first began at the tenth edition of the Junior Eurovision Song Contest in 2012 which took place in Amsterdam, the Netherlands. İctimai Television (İTV), a member organisation of the European Broadcasting Union (EBU), were responsible for the selection process of their participation. Azerbaijan originally used a national final format for their participation at the 2012 contest. The first representatives to participate for the nation at the 2012 contest were Omar & Suada with the song "Girls and Boys ", which finished in eleventh place out of twelve participating entries. After participating for a second time in 2013 and finishing seventh, İTV withdrew from the contest in 2014 for unspecified reasons. The country returned to participate in 2018 where they placed sixteenth in a field of twenty, before withdrawing once again for a further two years. Azerbaijan returned to the 2021 contest in Paris, France, with İTV internally selected Sona Azizova to represent the nation with "One Of Those Days". Azizova achieved Azerbaijan's highest placing to date, achieving fifth place in a field of 19. İTV then withdrew again from the 2022 contest in Yerevan, Armenia
The Junior Eurovision Song Contest 2017 was the fifteenth edition of the annual Junior Eurovision Song Contest, organised by the Georgian Public Broadcaster (GPB) and the European Broadcasting Union (EBU). It took place on 26 November 2017 at the Olympic Palace, in the Georgian capital, Tbilisi. This was the fifth time that the contest was hosted by the previous year's winning country. The visual design and contest slogan, "Shine Bright", were revealed in May 2017.
Portugal participated in the Junior Eurovision Song Contest 2018 which took place on 25 November 2018 in Minsk, Belarus. The Portuguese broadcaster Rádio e Televisão de Portugal (RTP) was responsible for organising their entry for the contest.
The Junior Eurovision Song Contest 2019 was the seventeenth edition of the annual Junior Eurovision Song Contest, organised by Telewizja Polska (TVP) and the European Broadcasting Union (EBU). It was held on 24 November 2019, at the Gliwice Arena in Gliwice, Poland, following the country's victory at the 2018 contest in Minsk, Belarus, with the song "Anyone I Want to Be", performed by Roksana Węgiel. It was the first time Poland had hosted the contest, as well as the first Eurovision event to be held in the country since the Eurovision Young Dancers 2013.
Portugal participated in the Junior Eurovision Song Contest 2019 which took place on 24 November 2019 in Gliwice, Poland. The Portuguese broadcaster Radio and Television of Portugal (RTP) was responsible for organising their entry for the contest. Joana Almeida was internally selected on 26 September 2019 as the Portuguese representative.
The Junior Eurovision Song Contest 2020 was the 18th edition of the annual Junior Eurovision Song Contest, organised by Telewizja Polska (TVP) and the European Broadcasting Union (EBU). The contest took place on 29 November 2020, and was held in Warsaw, Poland, following the country's victory at the 2019 contest with the song "Superhero" by Viki Gabor. This was the first time the contest was held in the same country for two consecutive years.
The Junior Eurovision Song Contest 2021 was the 19th edition of the annual Junior Eurovision Song Contest, organised by France Télévisions and the European Broadcasting Union (EBU). The contest was held on 19 December 2021 at La Seine Musicale in Paris, France, following the country's victory at the 2020 contest with the song "J'imagine", performed by Valentina. This was the first time the contest was held in France, as well as the first Eurovision event to be held in the country since Eurovision Young Dancers 1999 in Lyon and the first to be held in Paris since Eurovision Young Dancers 1989.
Portugal competed in the Junior Eurovision Song Contest 2021 in Paris, France on 19 December. Portuguese broadcaster RTP is responsible for the participation, and selected Simão Oliveira to represent the country, after he won the second season of The Voice Kids Portugal.
Armenia participated in the Junior Eurovision Song Contest 2021 in Paris, France, having internally selected Maléna as their representative with the song "Qami Qami". She was due to compete in the 2020 contest with the song "Why" before the country withdrew due to the 2020 Nagorno-Karabakh war. Armenia won with 224 points; 6 points more than the runner-up Poland.
North Macedonia took part in the Junior Eurovision Song Contest 2021 in Paris, France. The national broadcaster, Macedonian Radio Television (MRT), is responsible for the country's participation in the contest. MRT selected four singers from the television show Dajte muzika to represent North Macedonia with the song "Green Forces".
The Junior Eurovision Song Contest 2022 was the 20th edition of the annual Junior Eurovision Song Contest. The contest took place in Yerevan, Armenia on 11 December 2022, following the country's victory at the 2021 contest with the song "Qami Qami" by Maléna. Organised by the European Broadcasting Union (EBU) and host broadcaster Public Television Company of Armenia (AMPTV), the contest was held at the Karen Demirchyan Sports and Concerts Complex. This was the second time that Armenia hosted the Junior Eurovision Song Contest, the first being in 2011.
North Macedonia competed in the Junior Eurovision Song Contest 2022 in Armenia, which was held on 11 December 2022 in Yerevan. Macedonian broadcaster Macedonian Radio Television (MRT) is responsible for the country's participation in the contest, and selected Lara, Jovan and Irina as the Macedonian entrants.
Malta competed in the Junior Eurovision Song Contest 2022, which was held on 11 December 2022 in Yerevan, Armenia. Maltese broadcaster Public Broadcasting Services (PBS) was responsible for the country's participation in the contest, and organised a national final to select the Maltese entry.
Armenia participated in and hosted the Junior Eurovision Song Contest 2022 in Yerevan, having internally selected its representative, Nare with the song "Dance!", written by Grigor Kyokchyan and Nick Egibyan.
Kazakhstan competed in the Junior Eurovision Song Contest 2022 in Armenia, which was held on 11 December 2022 in Yerevan. The Kazakh broadcaster Khabar Agency (KA) selected its representative via children's contest Baqytty Bala.
The United Kingdom returned to compete in the Junior Eurovision Song Contest 2022 in Armenia, which was held on 11 December 2022 in Yerevan. On 25 August 2022, the British Broadcasting Corporation (BBC) announced that the country would return to the contest after a sixteen-year absence, replacing ITV who previously organised the country’s participation in the contest between 2003 and 2005. Freya Skye was selected as the UK entrant with the song "Lose My Head".
Italy participated in the Junior Eurovision Song Contest 2022 in Yerevan, Armenia. Italian broadcaster RAI is responsible for the country's participation in the contest. Chanel Dilecta represented Italy with the song "Bla Bla Bla".
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