| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Mikheil Adamia | WLT | 7 April 2002 | |
| Bartłomiej Adamus | WLT | 12 May 2000 | |
| Ara Aghanyan | WLT | 25 May 2000 | |
| Erla Ágústsdóttir | WLT | 22 May 2001 | |
| Alexandra Alexe | WLT | 20 April 2000 | |
| Burcu Alıcı | WLT | 14 January 2001 | |
| Duygu Alıcı | WLT | 14 January 2001 | |
| Kakhi Asanidze | WLT | 1 October 2000 | |
| Patryk Bęben | WLT | 18 March 2000 | |
| Irene Blanco | WLT | 12 January 2002 | |
| Tudor Bratu | WLT | 27 September 2002 | |
| Sebastian Cabala | WLT | 7 October 2002 | |
| Mihaela Cambei | WLT | 18 November 2002 | |
| Ömər Cavadov | WLT | 1 April 2002 | |
| Martina Chiacchio | WLT | 20 November 2000 | |
| Garnik Cholakyan | WLT | 21 December 2002 | |
| Anastasia Cîlcic | WLT | 19 November 2001 | |
| Keilin Coleman | WLT | 8 March 2000 | |
| Andrea Corbu | WLT | 20 September 2002 | |
| Lara Dancz | WLT | 3 June 2000 | |
| Maksym Dombrovskyi | WLT | 20 April 2002 | |
| Bianca Dumitrescu | WLT | 16 June 2000 | |
| Sarah Fischer | WLT | 9 November 2000 | |
| Robert Florea | WLT | 26 June 2002 | |
| Raphael Friedrich | WLT | 25 January 2001 | |
| Gurami Giorbelidze | WLT | 17 March 2002 | |
| Irakli Gobejishvili | WLT | 10 October 2000 | |
| Ecaterina Grabucea | WLT | 31 July 2001 | |
| Vicky Graillot | WLT | 2 July 2000 | |
| Roberto Gutu | WLT | 27 July 2000 | |
| Liana Gyurjyan | WLT | 13 June 2002 | |
| Mariya Hanhur | WLT | 24 August 2000 | |
| Rafik Harutyunyan | WLT | 17 May 2000 | |
| Ragnar Holme | WLT | 19 June 2001 | |
| Anatoliy Horidko | WLT | 27 July 2000 | |
| Amelie Hörner | WLT | 17 September 2002 | |
| Valentin Iancu | WLT | 16 January 2000 | |
| Daniela Ivanova | WLT | 19 June 2002 | |
| Simona Jeřábková | WLT | 29 September 2000 | |
| Kamila Konotop | WLT | 23 March 2001 | |
| Dmytro Kurdybakha | WLT | 19 February 2002 | |
| Ruslana Kuzikova | WLT | 18 January 2001 | |
| Federico La Barbera | WLT | 23 November 2002 | |
| Nuray Levent | WLT | 8 May 2000 | |
| Zaza Lomtadze | WLT | 12 June 2001 | |
| Nikki Löwik | WLT | 30 January 2001 | |
| Archil Malakmadze | WLT | 30 April 2001 | |
| Karen Margaryan | WLT | 26 April 2001 | |
| Armands Mežinskis | WLT | 8 September 2000 | |
| Yasha Minasyan | WLT | 17 September 2001 | |
| Giulia Miserendino | WLT | 24 June 2002 | |
| Veronika Mitykó | WLT | 26 July 2000 | |
| Illia Moskalenko | WLT | 10 July 2001 | |
| Dilara Narin | WLT | 17 March 2002 | |
| Nadezhda Nguen | WLT | 1 July 2000 | |
| Oleh Nikolaienko | WLT | 4 February 2002 | |
| Muhammed Furkan Özbek | WLT | 24 January 2001 | |
| Aysel Özkan | WLT | 26 February 2002 | |
| Olaf Pasikowski | WLT | 19 July 2001 | |
| José Perales | WLT | 27 January 2001 | |
| Petros Petrosyan | WLT | 28 November 2002 | |
| Chiara Piccinno | WLT | 5 July 2001 | |
| Annika Pilz | WLT | 6 December 2002 | |
| František Polák | WLT | 1 July 2001 | |
| Vladyslav Prylypko | WLT | 16 November 2000 | |
| Marin Robu | WLT | 19 March 2000 | |
| Luiza Sahradyan | WLT | 18 July 2001 | |
| Aleksandar Šaulić | WLT | 8 January 2002 | |
| Bachuki Shamilishvili | WLT | 2 April 2002 | |
| Nina Sterckx | WLT | 26 July 2002 | |
| Monika Szymanek | WLT | 6 January 2002 | |
| Tornike Tabatadze | WLT | 10 February 2001 | |
| Akaki Talakhadze | WLT | 29 July 2001 | |
| Andy Toha | WLT | 8 January 2001 | |
| Genna Toko Kegne | WLT | 10 November 2002 | |
| Meri Tumasyan | WLT | 26 December 2002 | |
| Wiktoria Wołk | WLT | 10 March 2001 | |
| Sara Yenigün | WLT | 1 October 2002 | |
| Radmila Zagorac | WLT | 24 January 2001 | |
| Füqan Əliyev | WLT | 20 January 2001 |