The Netherlands has participated in every edition of the Junior Eurovision Song Contest since its inception in 2003. The country has won the competition on one occasion; in 2009, with the song "Click Clack" by Ralf Mackenbach. Dutch broadcaster AVROTROS has been responsible for the participation, selecting the nation's entrant through the national final Junior Songfestival. The Netherlands is the only country to have taken part in every edition of the contest.
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
Avet Barseghyan is an Armenian songwriter and TV host, who hosted the Junior Eurovision Song Contest 2011 in Yerevan, Armenia, alongside Gohar Gasparyan.
Depi Evratesil is an Armenian music entertainment show created by the Armenian broadcaster AMPTV. It was used as the Armenian national selection for the Eurovision Song Contest in 2017, 2018 and 2020.
Belarus participated in the Junior Eurovision Song Contest 2017 which took place in Tbilisi, Georgia on 26 November 2017. The Belarusian entry for the 2017 contest in Tbilisi, Georgia was selected through a national final organised by the Belarusian broadcaster National State Television and Radio Company of the Republic of Belarus (BTRC). A national final, which took place on 25 August 2017, saw ten competing acts participating in a televised production where the winner was determined by a 50/50 combination of votes from a jury made up of music professionals and a public telephone vote. Helena Meraai won the national final by receiving the most votes from both the professional jury and televoters and she represented Belarus in Georgia with the song "I Am The One".
Serbia participated in the Junior Eurovision Song Contest 2017 which took place on 26 November 2017, in Tbilisi, Georgia. Radio Television of Serbia (RTS) was responsible for organising their entry for the contest. Irina Brodić and Jana Paunović were selected from national selection to represent Serbia with the song "Ceo svet je naš".
Armenia participated in the Eurovision Song Contest 2018 with the song "Qami" written by Sevak Khanagyan, Anna Danielyan and Viktorya Maloyan. The song was performed by Sevak Khanagyan. The Armenian entry for the 2018 contest in Lisbon, Portugal was selected through the national final Depi Evratesil 2018, organised by the Armenian broadcaster Public Television of Armenia (AMPTV). The national final and consisted of three shows: two semi-finals and a final. Ten entries competed in each semi-final with the top five from each semi-final qualifying to compete in the final on 25 February 2018. "Qami" performed by Sevak Khanagyan was selected as the winner following the combination of votes from an international jury and a public televote.
Armenia participated in the Junior Eurovision Song Contest 2019, held in Gliwice, Poland on 24 November 2019. The Armenian broadcaster Armenian Public Television (ARMTV) was responsible for organising their entry for the contest. Karina Ignatyan was chosen with her song "Colours of Your Dream".
Armenia originally planned to participate in the Eurovision Song Contest 2020 with the song "Chains on You" written by Athena Manoukian and DJ Paco. The song was performed by Athena Manoukian. The Armenian entry for the 2020 contest in Rotterdam, Netherlands was selected through the national final Depi Evratesil 2020, organised by the Armenian broadcaster Public Television of Armenia (AMPTV). The national final took place on 15 February 2020 where twelve entries competed. "Chains on You" performed by Athena Manoukian was selected as the winner following the combination of votes from an international jury, an Armenian jury and a public televote.
The Netherlands participated in the Junior Eurovision Song Contest 2020 which was held on 29 November 2020 in Warsaw, Poland. The girl group Unity was selected by AVROTROS to represent the country through the televised national selection Junior Songfestival 2020. They achieved 4th place with 132 points.
Ukraine participated in the Junior Eurovision Song Contest 2020, which was held in Warsaw, Poland, with the song "Vidkryvai" performed by Oleksandr Balabanov. Their entrant was selected through a national selection, organised by the Ukrainian broadcaster UA:PBC.
Malta participated in the Junior Eurovision Song Contest 2020, to be held in Warsaw, Poland. 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. Malta was represented in the contest by the song "Chasing Sunsets", written by Peter Borg, Aleandro Spiteri Monseigneur, Joe Roscoe and Emil Calleja Bayliss, and performed by Chanel Monseigneur. She achieved 8th place with 100 points.
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.
Ireland participated in the Junior Eurovision Song Contest 2021, held in Paris, France. Maiú Levi Lawlor was selected by TG4 through a televised national final, with his song, "Saor (Disappear)", being internally selected.
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.
Ireland competed in the Junior Eurovision Song Contest 2022, which was held on 11 December 2022 in Yerevan, Armenia. Irish broadcaster TG4 selected Sophie Lennon to represent the country through the televised national final Junior Eurovision Éire, with the competing song "Solas" being internally selected. Being from County Down, Lennon was the first singer from Northern Ireland to compete at Junior Eurovision.
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.
Ukraine competed in the Junior Eurovision Song Contest 2022 in Armenia, which was held on 11 December 2022 in Yerevan. The country was represented by Zlata Dziunka with the song "Nezlamna (Unbreakable)", who won the national selection organised by the Ukrainian broadcaster Suspilne.
Armenia 
