The Netherlands has sent an entry to every Junior Eurovision Song Contest since its creation in 2003. The Netherlands is one of only two countries to have taken part in every Junior Eurovision Song Contest, the other one being Belarus.
Belgium has competed in every Junior Eurovision Song Contest until 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".
Romania have participated in the Junior Eurovision Song Contest since the first Contest in 2003. Their best result came in their second participation, when Noni Răzvan Ene came fourth at the Junior Eurovision Song Contest 2004 with "Îți mulțumesc".
Malta has entered the Junior Eurovision Song Contest twelve times since debuting at the first contest in 2003 with Sarah Harrison. Entrants for the Contest were selected by a national selection, organised by the Maltese broadcaster PBS from 2003 to 2010. In 2013, the country opted for an internal selection since the broadcaster decided to return to the contest at a rather late stage. PBS chose Gaia Cauchi as the 2013 Maltese representative. Malta won the contest twice, in 2013 and 2015, making it one of the most successful countries in the contest. They've also hosted the contest twice, in 2014 and 2016.
Norway has participated in the Junior Eurovision Song Contest three times, and was the host of the 2004 Contest, where it was held in the Norwegian city of Lillehammer.
The participation of Belarus in the Junior Eurovision Song Contest first began at the inaugural Junior Eurovision Song Contest in 2003 which took place in Copenhagen, Denmark. The Belarusian Television and Radio Company (BTRC) a member organisation of the European Broadcasting Union (EBU) have been responsible for the selection process of their participants since their debut. The first representative to participate for the nation at the 2003 contest was Volha Satsiuk with the song "Tantsuy", which finished in fourth place out of sixteen participating entries, achieving a score of one hundred and three points. Belarus have never missed an edition of the contest, and have won twice in 2005 and 2007. They 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.
Ukraine took part in the Junior Eurovision Song Contest for the first time in 2006. Their best result came in Junior Eurovision Song Contest 2012 when Anastasiya Petryk won for Ukraine with "Nebo". Her sister Viktoria Petryk came 2nd at the Junior Eurovision Song Contest 2008 with "Matrosy".
Anastasiya and Maria Andreyevna Tolmachevy are identical twin singers, actresses, and former child singers from the Russian city of Kursk. Aged nine, they won the Junior Eurovision Song Contest 2006 in Bucharest, Romania, with their song Vesenniy Jazz. Eight years later, they represented Russia at the Eurovision Song Contest 2014, placing seventh with the song "Shine".
The participation of Armenia in the Junior Eurovision Song Contest first began at the Junior Eurovision Song Contest in 2007 which took place in Rotterdam, Netherlands. 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 first representative to participate for the nation at the 2007 contest was Arevik with the song "Erazanq", which finished in second place out of seventeen participating entries, achieving a score of one hundred and thirty-six points. Since their debut, Armenia have never missed an edition of the contest and won in 2010 with the song "Mama" by Vladimir Arzumanyan. They hosted the contest at the Karen Demirchyan Complex in 2011. Their worst result to date was achieved by Levon Galstyan at the Junior Eurovision Song Contest 2018 with his song "L.E.V.O.N" where he placed ninth. As of Junior Eurovision 2016, Armenia have awarded and received the most points from Georgia.
Lithuania has sent four entries to the Junior Eurovision Song Contest, first entering at the 2007 Contest in Rotterdam.
Moldova entered the Junior Eurovision Song Contest for the first time in 2010.
The Junior Eurovision Song Contest 2011 was the ninth edition of the contest, and took place in Yerevan, Armenia at the Karen Demirchyan Sports and Concerts Complex. It was the first time in history of the Junior Eurovision Song Contest that the contest was held in the previous year's winning country. Public Television of Armenia ARMTV was the main organizer of the show, being provided financial aid from the European Broadcasting Union made of entrance fees from the participating broadcasters, while Swedish company HD Resources assisted with the technical side of the production.
Russia participated in the Junior Eurovision Song Contest 2010 in Minsk, Belarus. The Russian entry was selected through a national final, organised by Russian broadcaster All-Russia State Television and Radio Company (VGTRK). The final was held on 30 May 2010. Sasha Lazin & Liza Drozd and their song "Boy and Girl" won the national final, getting 11.00% of votes.
Montenegro debuted at the Junior Eurovision Song Contest 2014 to be held in Marsa, Malta.
Armenia participated in the Junior Eurovision Song Contest 2014 which took place on 15 November 2014, in Marsa, Malta. The Armenian broadcaster Armenia 1 (ARMTV) was responsible for organising their entry for the contest. The Armenian entry was selected through a national final held on 14 September 2014. Betty and her song "People of the Sun" was chosen to represent the nation in Marsa, Malta.
The Junior Eurovision Song Contest 2019 will be the seventeenth edition of the annual Junior Eurovision Song Contest. It will be 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 will be the first time Poland has hosted the contest, as well as the first Eurovision event to be held in the country since Eurovision Young Dancers 2013.
