A total of 32 teams will compete in eight groups at the FIFA World Cup in Qatar.
Ahead of the tournament some countries have begun releasing lists of provisional squads.
Here are some of the provisional and confimed lists.
Group A: Qatar, Ecuador, Senegal, Netherlands
Qatar (provisional squad)
Goalkeepers: Saad Al Sheeb, Meshaal Barsham, Yousef Hassan, Salah Zakaria.
Defenders: Abdelkarim Hassan, Boualem Khoukhi, Ró-Ró, Tarek Salman, Bassam Al-Rawi, Musab Kheder, Homam Ahmed, Mohammed Emad, Jassem Gaber.
Midfielders: Karim Boudiaf, Abdulaziz Hatem, Ali Assadalla, Mohammed Waad, Abdelrahman Moustafa, Osama Al-Tairi, Ahmed Fadhel, Mostafa Tarek.
Forwards: Hassan Al-Haydos (captain), Akram Afif, Almoez Ali, Ismaeel Mohammad, Mohammed Muntari, Ahmed Alaaeldin, Yusuf Abdurisag, Khalid Muneer, Naif Al-Hadhrami.
Netherlands (provisional squad)
Goalkeepers: Jasper Cillessen, Justin Bijlow, Mark Flekken, Remko Pasveer, Andries Noppert.
Defenders: Daley Blind, Stefan de Vrij, Virgil van Dijk (captain), Matthijs de Ligt, Denzel Dumfries, Nathan Ake, Jurrien Timber, Tyrell Malacia, Devyne Rensch, Mitchel Bakker, Sven Botman, Jeremie Frimpong, Pascal Struijk, Micky van de Ven.
Midfielders: Frenkie de Jong, Steven Berghuis, Davy Klaassen, Marten de Roon, Jordy Clasie, Ryan Gravenberch, Teun Koopmeiners, Guus Til, Kenneth Taylor, Xavi Simons.
Forwards: Memphis Depay, Luuk de Jong, Steven Bergwijn, Vincent Janssen, Donyell Malen, Wout Weghorst, Cody Gakpo, Arnaut Danjuma, Noa Lang, Brian Brobbey.
Group B: England, Iran, USA, Wales
Iran (provisional squad)
Goalkeepers: Alireza Beiranvand, Amir Abedzadeh, Hossein Hosseini, Mohammad Reza Akhbari, Payam Niazmand.
Defenders: Morteza Pouraliganji, Ramin Rezaeian, Hossein Kanaanizadegan, Shojae Khalilzadeh, Rouzbeh Cheshmi, Omid Noorafkan, Abolfazl Jalali, Ehsan Hajsafi (captain), Milad Mohammadi, Sadegh Moharrami, Majid Hosseini, Saman Fallah.
Midfielders: Saeid Ezatolahi, Saman Ghoddos, Ahmad Nourollahi, Ali Karimi, Vahid Amiri, Omid Ebrahimi, Mehdi Torabi, Milad Sarlak, Alireza Jahanbakhsh, Ali Gholizadeh.
Forwards: Mehdi Taremi, Sardar Azmoun, Karim Ansarifard.
Group C: Argentina, Saudi Arabia, Mexico, Poland
Argentina (provisional squad)
Goalkeepers: Emiliano Martinez, Franco Armani, Agustin Marchesin, Geronimo Rulli, Juan Musso, Agustin Rossi.
Defenders: Nicolas Otamendi, Marcos Acuna, Nicolas Tagliafico, German Pezzella, Nahuel Molina, Gonzalo Montiel, Juan Foyth, Cristian Romero, Lucas Martinez Quarta, Lisandro Martinez, Facundo Medina, Marcos Senesi, Nehuen Perez.
Midfielders: Angel Di Maria, Leandro Paredes, Rodrigo De Paul, Giovani Lo Celso, Guido Rodriguez, Nicolas Gonzalez, Exequiel Palacios, Roberto Pereyra, Alejandro Gomez, Nicolas Dominguez, Maximiliano Meza, Lucas Ocampos, Alexis Mac Allister, Enzo Fernandez, Emiliano Buendia, Thiago Almada, Matias Soule, Nicolas Paz, Luka Romero, Valentin Carboni.
Forwards: Lionel Messi (captain), Lautaro Martinez, Paulo Dybala, Angel Correa, Joaquin Correa, Julian Alvarez, Lucas Alario, Giovanni Simeone, Alejandro Garnacho.
Mexico (provisional squad)
Goalkeepers: Guillermo Ochoa, Alfredo Talavera, Rodolfo Cota;
Defenders: Hector Moreno, Jesus Gallardo, Nestor Araujo, Cesar Montes, Jorge Sanchez, Gerardo Arteaga, Jesus Angulo, Kevin Alvarez, Johan Vasquez.
Midfielders: Andres Guardado, Hector Herrera, Jesus Corona, Edson Alvarez, Orbelin Pineda, Uriel Antuna, Erick Gutierrez, Carlos Rodriguez, Roberto Alvarado, Luis Romo, Diego Lainez, Alexis Vega, Erick Sanchez, Luis Chavez.
Forwards: Raul Jimenez, Hirving Lozano, Henry Martin, Rogelio Funes Mori, Santiago Gimenez.
FILE - The 2022 Qatar World Cup logo is projected on the opera house of Algiers, Tuesday Sept. 3, 2019. An ambassador for the World Cup in Qatar has described homosexuality as a “damage in the mind” in an interview with German public broadcaster ZDF just two weeks before the opening of the global soccer tournament in the Gulf state. (AP Photo/Toufik Doudou)
Toufik Doudou
Poland (provisional squad)
Goalkeepers: Wojciech Szczesny, Lukasz Skorupski, Bartłomiej Drągowski, Kamil Grabara, Radosław Majecki.
Defenders: Kamil Glik, Bartosz Bereszynski, Jan Bednarek, Artur Jedrzejczyk, Tomasz Kedziora, Arkadiusz Reca, Tymoteusz Puchacz, Pawel Dawidowicz, Matty Cash, Michal Helik, Nicola Zalewski, Robert Gumny, Jakub Kiwior, Michal Karbownik, Pawel Bochniewicz, Mateusz Wieteska, Patryk Kun, Maik Nawrocki.
Midfielders: Grzegorz Krychowiak, Kamil Grosicki. Piotr Zielinski, Karol Linetty, Mateusz Klich, Przemyslaw Frankowski, Kamil Jozwiak, Jacek Goralski, Sebastian Szymanski, Damian Szymanski, Kacper Kozlowski, Szymon Zurkowski, Krystian Bielik, Jakub Kaminski, Mateusz Legowski, Michal Skoras, Patryk Dziczek, Jakub Piotrowski; Forwards.
Robert Lewandowski (captain), Arkadiusz Milik, Krzysztof Piatek, Karol Swiderski, Adam Buksa, Dawid Kownacki.
Saudi Arabia (provisional squad)
Goalkeepers: Mohammed Al-Owais, Fawaz Al-Qarni, Mohammed Al Rubaie, Nawaf Al-Aqidi.
Defenders: Yasser Al-Shahrani, Mohammed Al-Breik, Ali Al-Bulaihi, Sultan Al-Ghanam, Saud Abdulhamid, Abdulelah Al-Amri, Hassan Tambakti, Abdullah Madu, Ahmed Bamsaud.
Midfielders: Fahad Al-Muwallad, Salman Al-Faraj, Salem Al-Dawsari, Nawaf Al-Abed, Abdullah Otayf, Hattan Bahebri, Mohamed Kanno, Abdulellah Al-Malki, Sami Al-Najei, Ali Al-Hassan, Nasser Al-Dawsari, Ayman Yahya, Abdulrahman Al-Aboud, Riyadh Sharahili.
Forwards: Firas Al-Buraikan, Abdullah Al-Hamdan, Saleh Al-Shehri, Haitham Asiri, Abdullah Radif.
Group D: France, Australia, Denmark, Tunisia
Australia squad
Goalkeepers: Mat Ryan (capt), Danny Vukovic, Andrew Redmayne.
Defenders: Nathaniel Atkinson, Aziz Behich, Fran Karacic, Joel King, Kye Rowles, Harry Souttar, Milos Degenek, Thomas Deng, Bailey Wright.
Midfielders: Keanu Baccus, Cameron Devlin, Ajdin Hrustic, Jackson Irvine, Aaron Mooy, Riley McGree.
Forwards: Craig Goodwin, Martin Boyle, Jamie Maclaren, Awer Mabil, Mat Leckie, Garang Kuol, Mitchell Duke, Jason Cummings.
Denmark (preliminary squad)
Goalkeepers: Kasper Schmeichel (Nice), Oliver Christensen (Hertha Berlin).
Defenders: Simon Kjaer (AC Milan), Joachim Andersen (Crystal Palace), Joakim Maehle (Atalanta), Andreas Christensen (Barcelona), Rasmus Kristensen (Leeds United), Jens Stryger Larsen (Trabzonspor), Victor Nelsson (Galatasaray), Daniel Wass (Brondby).
Midfielders: Thomas Delaney (Sevilla), Mathias Jensen (Brentford), Christian Eriksen (Manchester United), Pierre-Emile Hojbjerg (Tottenham).
Forwards: Andreas Skov Olsen (Club Bruges), Jesper Lindstrom (Eintracht Frankfurt), Andreas Cornelius (Copenhagen), Martin Braithwaite (Espanyol), Kasper Dolberg (Sevilla), Mikkel Damsgaard (Brentford), Jonas Wind (VfL Wolfsburg).
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Group E: Spain, Costa Rica, Germany, Japan
FILE - Costa Rica's Mauricio Wright, top center, scores past China's goalkeeper Jiang Jin during their 2002 World Cup Group C soccer match at the Gwangju World Cup stadium in Gwangju, South Korea, Tuesday June 4, 2002 as China's Li Xiaopeng, bottom left, and Xu Yunlong look on. China is missing out on the World Cup again despite spending millions — probably billions — to develop the game, a reported priority of Xi Jinping, the all-powerful general secretary of the Chinese Communist Party. (AP Photo/Lawrence Jackson, File)
Lawrence Jackson
Costa Rica squad
Goalkeepers: Keylor Navas, Esteban Alvarado, Patrick Sequeira.
Defenders: Francisco Calvo, Juan Pablo Vargas, Kendall Waston, Oscar Duarte, Daniel Chacon, Keysher Fuller, Carlos Martínez, Bryan Oviedo, Ronald Matarrita.
Midfielders: Yeltsin Tejeda, Celso Borges, Youstin Salas, Roan Wilson, Gerson Torres, Douglas Lopez, Jewison Bennette, Alvaro Zamora, Anthony Hernández, Brandon Aguilera, Bryan Ruiz.
Forwards: Joel Campbell, Anthony Contreras, Johan Venegas.
Japan squad
Japan Goalkeepers: Shuichi Gonda, Daniel Schmidt, Eiji Kawashima. Defenders: Miki Yamane, Hiroki Sakai, Maya Yoshida, Takehiro Tomiyasu, Shogo Taniguchi, Ko Itakura, Hiroki Ito, Yuto Nagatomo, Yuta Nakayama.
Midfielders: Wataru Endo, Hidemasa Morita, Ao Tanaka, Gaku Shibasaki, Kaoru Mitoma, Daichi Kamada, Ritsu Doan, Junya Ito, Takumi Minamino, Takefusa Kubo, Yuki Soma.
Forwards: Daizen Maeda, Takuma Asano, Ayase Ueda.
Spain (provisional squad)
Goalkeepers: Unai Simo, Kepa Arrizabalaga, Robert Sanchez, David Raya, David Soria.
Defenders: Sergio Ramos (vice-captain), Jordi Alba, Cesar Azpilicueta, Dani Carvajal, Pau Torres, Inigo Martinez, Jose Gaya, Eric Garcia, Aymeric Laporte, Diego Llorente, Marcos Alonso, Hugo Guillamon, Alejandro Balde, Arnau Martinez.
Midfielders: Sergio Busquets (captain), Koke, Thiago, Rodri, Marcos Llorente, Pedri, Gavi, Carlos Soler, Mikel Merino, Sergi Roberto, Sergio Canales, Brais Mendez, Oihan Sancet.
Forwards: Alvaro Morata, Ferran Torres, Marco Asensio, Rodrigo, Pablo Sarabia, Dani Olmo, Mikel Oyarzabal, Iago Aspas, Gerard Moreno, Yeremy Pino, Ansu Fati, Nico Williams, Borja Iglesias.
Group F: Belgium, Canada, Morocco, Croatia
Croatia (provisional squad)
Goalkeepers: Dominik Livakovic, Ivica Ivusic, Ivo Grbic, Dominik Kotarski, Nediljko Labrovic.
Defenders: Domagoj Vida (vice-captain), Dejan Lovren, Borna Barisic, Duje Caleta-Car, Josip Juranovic, Josko Gvardiol, Borna Sosa, Josip Stanisic, Marin Pongracic, Martin Erlic, Josip Sutalo; Midfielders: Luka Modric (captain), Mateo Kovacic, Marcelo Brozovic, Mario Pasalic, Nikola Vlasic, Luka Ivanusec, Lovro Majer, Kristijan Jakic, Luka Sucic, Josip Misic.
Forwards: Ivan Perisic, Andrej Kramaric, Josip Brekalo, Bruno Petkovic, Mislav Orsic, Ante Budimir, Marko Livaja, Antonio-Mirko Colak.
Group G: Brazil, Serbia, Switzerland, Cameroon
Brazil squad
Goalkeepers: Alisson, Ederson, Weverton.
Defenders: Thiago Silva, Marquinhos, Danilo, Eder Millitao, RAlex Telles, Alex Sandro, Bremer, Dani Alves.
Midfielders: Casemiro, Lucas Paqueta, Fabinho, Fred, Everton Ribeiro, Bruno Guimaraes.
Attackers: Neymar, Richarlison, Vinicius Junior, Antony, Raphinha, Rodrygo, Gabriel Jesus, Gabriel Martinelli.
Group H: Portugal, Ghana, Uruguay, South Korea
Ghana (provisional squad)
Goalkeepers: Richard Ofori, Joe Wollacott, Lawrence Ati-Zigi, Abdul Manaf Nurudeen, Ibrahim Danlad.
Defenders: Jonathan Mensah, Abdul Rahman Baba, Daniel Amartey, Andy Yiadom, Alexander Djiku, Kasim Nuhu, Joseph Aidoo, Gideon Mensah, Denis Odoi, Alidu Seidu, Mohammed Salisu, Tariq Lamptey, Dennis Nkrumah-Korsah, Patrick Kpozo, Abdul Mumin, Stephan Ambrosius, Ibrahim Imoro.
Midfielders: Andre Ayew, Mubarak Wakaso, Thomas Partey, Jeffrey Schlupp, Iddrisu Baba, Mohammed Kudus, Daniel-Kofi Kyereh, Edmund Addo, Joseph Paintsil, Majeed Ashimeru, Elisha Owusu, Daniel Afriyie, Salifu Mudasiru, Salis Abdul Samed.
Forwards: Jordan Ayew, Richmond Boakye, Samuel Owusu, Caleb Ekuban, Kamaldeen Sulemana, Abdul Fatawu Issahaku, Joel Fameyeh, Felix Afena-Gyan, Kwasi Okyere Wriedt, Osman Bukari, Yaw Yeboah, Emmanuel Gyasi, Christopher Antwi-Adjei, Inaki Williams, Antoine Semenyo, Mohammed Dauda, Kamal Sowah, Ransford-Yeboah Konigsdorffer, Ernest Nuamah.
FILE - Germany's Mario Goetze (19) pushes off Portugal's Cristiano Ronaldo (7) during the group G World Cup soccer match between Germany and Portugal at the Arena Fonte Nova in Salvador, Brazil, Monday, June 16, 2014. (AP Photo/Natacha Pisarenko, File)
Natacha Pisarenko
Portugal (provisional squad)
Goalkeepers: Rui Patricio, Anthony Lopes, Diogo Costa, Rui Silva, Jose Sa.
Defenders: Pepe (vice-captain), Danilo Pereira, Raphael Guerreiro, Jose Fonte, Ruben Dias, Joao Cancelo, Cedric Soares, Nelson Semedo, Nuno Mendes, Mario Rui, Diogo Dalot, Domingos Duarte, Fabio Cardoso, David Carmo, Thierry Correia, Tiago Djalo, Gonçalo Inacio, Diogo Leite, Nuno Santos, Antonio Silva, Nuno Tavares; Midfielders: Joao Moutinho, William Carvalho, Bernardo Silva, Joao Mario, Bruno Fernandes, Renato Sanches, Ruben Neves, Joao Palhinha, Sergio Oliveira, Matheus Nunes, Otavio, Vitinha, Fabio Carvalho, Florentino Luis, Fabio Vieira.
Forwards: Cristiano Ronaldo (captain), Andre Silva, Goncalo Guedes, Joao Felix, Rafael Leao, Francisco Trincao, Ricardo Horta, Paulinho, Pedro Goncalves, Daniel Podence, Beto, Jota, Goncalo Ramos, Vitinha.
Uruguay (provisional squad)
Goalkeepers: Fernando Muslera, Sergio Rochet, Sebastian Sosa, Guillermo de Amores, Santiago Mele, Gaston Olveira.
Defenders: Diego Godín (captain), Martin Caceres, Jose Gimenez, Sebastian Coates, Matias Vina, Giovanni Gonzalez, Ronald Araujo, Guillermo Varela, Mathias Olivera, Joaquin Piquerez, Damian Suarez, Sebastian Caceres, Bruno Mendez, Agustin Rogel, Gaston Alvarez, Santiago Bueno, Leandro Cabrera, Alfonso Espino, Lucas Olaza, Federico Pereira, Jose Luis Rodriguez.
Midfielders: Matias Vecino, Rodrigo Bentancur, Federico Valverde, Giorgian de Arrascaeta, Lucas Torreira, Nicolas de la Cruz, Mauro Arambarri, Fernando Gorriaran, Manuel Ugarte, Cesar Araujo, Maximiliano Araujo, Felipe Carballo, Fabricio Diaz.
Forwards: Luis Suarez, Edinson Cavani, Jonathan Rodriguez, Maxi Gomez, Darwin Nunez, Facundo Torres, Facundo Pellistri, Agustin Alvarez Martinez, Diego Rossi, Agustin Canobbio, David Terans, Brian Ocampo, Martin Satriano, Thiago Borbas, Nicolas Lopez.
