| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Alireza Abbaspour | WLT | 17 September 2004 | |
| Abdelrahman Younes | WLT | 14 November 2004 | |
| Nigora Abdullaeva | WLT | 13 May 2004 | |
| Mohammed Al-Zintani | WLT | 29 September 2006 | |
| Jokser Albornoz | WLT | 30 April 2004 | |
| Asem Mousa Husam Alsallaj | WLT | 10 June 2004 | |
| Anna Amroyan | WLT | 5 June 2006 | |
| Isabella Brown | WLT | 2 August 2004 | |
| Muhammed Burun | WLT | 2 October 2004 | |
| Caden Cahoy | WLT | 31 January 2004 | |
| Daniel Caicedo | WLT | 27 January 2004 | |
| Büşra Çan | WLT | 4 May 2006 | |
| Chen Guan-Ling | WLT | 29 January 2005 | |
| Chen Hsin-Ning | WLT | 16 February 2005 | |
| Gabriel Chhum | WLT | 31 January 2004 | |
| Angeline Colonia | WLT | 22 May 2006 | |
| Tiberiu Donose | WLT | 12 May 2005 | |
| Hosny El-Sayed Hassan | WLT | 4 September 2005 | |
| Rahma El-Sayed | WLT | 1 April 2006 | |
| Hassan Emadi | WLT | 15 December 2004 | |
| Diyorbek Ermatov | WLT | 5 June 2006 | |
| Katharine Estep | WLT | 18 August 2004 | |
| José González | WLT | 19 June 2005 | |
| Lucía González | WLT | 15 January 2007 | |
| Aleksandra Grigoryan | WLT | 8 January 2005 | |
| Vanessa Hernández | WLT | 30 July 2005 | |
| Sei Higa | WLT | 3 August 2005 | |
| Lovely Inan | WLT | 13 September 2004 | |
| Goga Jajvani | WLT | 7 January 2006 | |
| Yekta Jamali | WLT | 16 December 2004 | |
| Jeon Hee-Soo | WLT | 21 March 2007 | |
| K'Dương | WLT | 3 July 2007 | |
| Kaan Kahriman | WLT | 12 September 2004 | |
| Khemika Kamnoedsri | WLT | 20 January 2005 | |
| Ezgi Kılıç | WLT | 14 October 2006 | |
| Ertjan Kofsha | WLT | 9 April 2005 | |
| Robert Kurouski | WLT | 24 September 2004 | |
| Kwon Dae-Hee | WLT | 19 January 2006 | |
| Taiane Lima | WLT | 16 February 2004 | |
| Dhanush Loganathan | WLT | 19 November 2006 | |
| Karol López | WLT | 15 January 2004 | |
| Etta Love | WLT | 28 August 2007 | |
| Khusinboy Matrasulov | WLT | 1 September 2004 | |
| Şahzadbek Matýakubow | WLT | 1 March 2004 | |
| María Mena | WLT | 25 February 2005 | |
| Ioana Miron | WLT | 5 January 2005 | |
| Kerlys Montilla | WLT | 17 April 2005 | |
| Hampton Morris | WLT | 17 February 2004 | |
| Ashot Movsisyan | WLT | 30 May 2004 | |
| Sergio Muñoz | WLT | 3 March 2004 | |
| Mariam Murgvliani | WLT | 5 December 2006 | |
| Nam Ji-Yong | WLT | 2 December 2004 | |
| Damary Nazareno | WLT | 12 September 2005 | |
| Ella Nicholson | WLT | 7 July 2006 | |
| Masashi Nishikawa | WLT | 15 February 2004 | |
| María Olalla | WLT | 1 July 2005 | |
| Sebastián Olivares | WLT | 27 November 2004 | |
| Jessica Palacios | WLT | 3 January 2006 | |
| Ihnatsi Pauliukavets | WLT | 26 August 2005 | |
| Jhodie Peralta | WLT | 7 November 2009 | |
| Matheus Pessanha | WLT | 27 August 2005 | |
| Emma Poghosyan | WLT | 26 August 2006 | |
| Valeria Ruiz | WLT | 19 April 2004 | |
| Anamjan Rustamowa | WLT | 5 August 2006 | |
| Thanaporn Saetia | WLT | 20 March 2006 | |
| Uladzislau Sakovich | WLT | 13 December 2004 | |
| Marifélix Sarría | WLT | 25 August 2004 | |
| Yusa Sato | WLT | 20 February 2004 | |
| Yerasyl Saulebekov | WLT | 27 November 2006 | |
| Ali El-Sayed | WLT | 2 January 2006 | |
| Ingrid Segura | WLT | 29 June 2006 | |
| Charlotte Simoneau | WLT | 30 May 2005 | |
| Numi Tepulolo | WLT | 22 March 2004 | |
| Kotaro Tomari | WLT | 1 July 2005 | |
| Gelen Torres | WLT | 14 February 2006 | |
| Trần Minh Trí | WLT | 13 October 2004 | |
| Adolfo Tun | WLT | 23 September 2004 | |
| Yairan Tysforod | WLT | 19 December 2005 | |
| Miranda Ulrey | WLT | 23 September 2004 | |
| Gurami Vekua | WLT | 5 January 2004 | |
| Naruemol Vonghajak | WLT | 19 April 2006 | |
| Katelyn Witte | WLT | 21 August 2004 | |
| Yedige Yemberdi | WLT | 6 May 2005 | |
| Janette Ylisoini | WLT | 6 April 2006 | |
| Szymon Ziółkowski | WLT | 9 November 2004 | |
| Đỗ Tú Tùng | WLT | 10 January 2004 |