With one month to go until the 2018 World Cup, provisional squad lists are starting to trickle through ahead of the June 4 deadline for the 23-man final rosters for all 32 nations.
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Below is a look at the nations who have released their preliminary squads so far.
Some nations have chosen not to announce larger prelim rosters at all and are going straight for their final squad, while others are still taking their time to announce who has made it.
Argentina
Australia
Goalkeepers: Mat Ryan (Brighton/England), Danny Vukovic (Genk/Belgium), Brad Jones (Feyenoord/Netherlands), Mitch Langerak (Nagoya Grampus/Japan)
Defenders: Aziz Behich (Bursaspor/Turkey), Milos Degenek (Yokohama F. Marinos/Japan), Matthew Jurman (Suwon Bluewings/Korea Republic), James Meredith (Millwall/England), Josh Risdon (Western Sydney Wanderers), Trent Sainsbury (Grasshoppers Zurich/Switzerland), Aleksandar Susnjar (Mlada Boleslav/Czech Republic), Bailey Wright (Bristol City/England), Alex Gersbach (Lens/France), Fran Karacic (Lokomotiva Zagreb/Croatia)
Midfielders: Josh Brillante (Sydney FC), Mile Jedinak (Aston Villa/England), Mark Milligan (Al Ahli/Saudi Arabia), Robbie Kruse (Bochum/Germany), Jackson Irvine (Hull City/England), Massimo Luongo (Queens Park Rangers/England), Aaron Mooy (Huddersfield/England), Tom Rogic (Celtic/Scotland), James Troisi (Melbourne Victory).
Forwards: Tim Cahill (Millwall/England), Tomi Juric (FC Luzern/Switzerland), Matthew Leckie (Hertha Berlin/Germany), Andrew Nabbout (Urawa Red Diamonds/Japan), Nikita Rukavytsya (Maccabi Haifa/Israel), Dimitri Petratos (Newcastle Jets), Jamie Maclaren (Hibernian/Scotland), Daniel Arzani (Melbourne City), Apostolos Giannou (AEK Larnaca/Cyprus)
Brazil
Colombia
Abel Aguilar, Ivan Arboleda, Santiago Arias, Carlos Bacca, Wilmer Barrios, Miguel Borja, Edwin Cardona, Yimmi Chara, Jose Cuadrado, Juan Cuadrado, Gustavo Cuellar, Farid Diaz, Bernardo Espinosa, Frank Fabra, Radamel Falcao, Teofilo Gutierrez, Jose Izquierdo, Jefferson Lerma, Stefan Medina, Yerry Mina, Johan Mojica, Giovanni Moreno, Luis Muriel, Oscar Murillo, David Ospina, Sebastian Perez, Juan Quintero, James Rodriguez, Carlos Sanchez, Davinson Sanchez, William Tesillo, Mateus Uribe, Camilo Vargas, Cristian Zapata, Duvan Zapata
Costa Rica
Croatia
Denmark
Egypt
Goalkeepers: Essam El Hadary (Al Taawoun, Saudi Arabia), Mohamed El-Shennawy (Al Ahly), Sherif Ekramy (Al Ahly), Mohamed Awad (Ismaily);
Defenders: Ahmed Fathi (Al Ahly), Saad Samir (Al Ahly), Ayman Ashraf (Al Ahly), Mahmoud Hamdy (Zamalek), Mohamed Abdel-Shafy (Al Fateh, Saudi Arabia) Ahmed Hegazi and Ali Gabr (both West Bromwich Albion, England), Ahmed Elmohamady (Aston Villa, England), Karim Hafez (RC Lens, France), Omar Gaber (Los Angeles FC, USA), Amro Tarek (Orlando City, USA);
Midfielders: Tarek Hamed (Zamalek), Mahmoud Abdel Aziz (Zamalek), Shikabala (Al Raed, Saudi Arabia), Abdallah Said (KuPS, Finland), Sam Morsy (Wigan Athletic, England), Mohamed Elneny (Arsenal, England), Kahraba (Al Ittihad, Saudi Arabia), Ramadan Sobhi (Stoke City, England), Trezeguet (Kasimpasa, Turkey), Amr Warda (Atromitos, Greece);
Forwards: Marwan Mohsen (Al Ahly), Ahmed Gomaa (Al Masry), Kouka (SC Braga, Portugal), Mohamed Salah (Liverpool, England).
Germany
Iceland
Goalkeepers: Hannes Thor Halldorsson (Randers, Denmark), Runar Alex Runarsson (Nordsjaelland, Denmark), Frederik Schram (Roskilde, Denmark);
Defenders: Kari Arnason (Aberdeen, Scotland), Ari Freyr Skulason (Lokeren, Belgium), Birkir Mar Saevarsson (Valur), Sverrir Ingi Ingason (Rostov, Russia), Hordur Magnusson (Bristol City, England), Holmar Orn Eyjolfsson (Levski Sofia, Bulgaria), Ragnar Sigurdsson (Rostov, Russia);
Midfielders: Johann Berg Gudmundsson (Burnley, England), Birkir Bjarnason (Aston Villa, England), Arnor Ingvi Traustason (Malmo, Sweden), Emil Hallfredsson (Udinese, Italy), Gylfi Sigurdsson (Everton, England), Olafur Ingi Skulason (Karabukspor, Turkey), Rurik Gislason (Sandhausen, Germany), Samuel Fridjonsson (Valerenga, Norway), Aron Gunnarsson (Cardiff City, Wales);
Forwards: Alfred Finnbogason (Augsburg, Germany), Bjorn Bergmann Sigurdarson (Rostov, Russia), Jon Dadi Bodvarsson (Reading, England), Albert Gudmundsson (PSV, Netherlands).
Iran
Goalkeepers: Alireza Beiranvand (Persepolis), Seyed Hossein Hosseini (Esteghlal), Rashid Mazaheri (Zob Ahan), Amir Abedzadeh (Maritimo, Portugal);
Defenders: Ramin Rezaeian (Ostende, Belgium), Voria Ghafouri (Esteghlal), Steven Beitashour (Los Angeles FC, USA), Seyed Jalal Hosseini (Persepolis), Mohammad Reza Khanzadeh (Padideh), Morteza Pouraliganji (Alsaad, Qatar), Mohammad Ansari (Persepolis), Pejman Montazeri (Esteghlal), Seyed Majid Hosseini (Esteghlal), Milad Mohammadi (Akhmat Grozny, Russia), Omid Norafkan (Esteghlal), Saeid AGhaei (Sepahan), Roozbeh Cheshmi (Esteghlal);
Midfielders: Saeid Ezatolahi (Amkar Perm, Russia), Masoud Shojaei (AEK Athens, Greece), Ahmad Abdolahzadeh (Foolad), Saman Ghoddos (Ostersunds, Sweden), Mahdi Torabi (Saipa), Ashkan Dejagah (Notthingham Forest, England), Omid Ebrahimi (Esteghlal), Ehsan Hajsafi (Olympiacos, Greece), Ali Karimi (Sepahan), Soroush Rafiei (Al Khor, Qatar), Ali Gholizadeh (Saipa), Vahid Amiri (Persepolis);
Forwards: Alireza Jahanbakhsh (AZ Alkmaar, Netherlands), Karim Ansarifard (Olympiacos, Greece), Mahdi Taremi (Al Gharafa, Qatar), Sardar Azmoun (Rubin Kazan, Russia), Reza Ghoochannejhad (Heerenveen, Netherlands), Kaveh Rezaei (Charleroi, Belgium).
Korea Republic
Goalkeepers: Kim Seunggyu, Kim Jinhyeon, Cho Hyeonwoo
Defenders: Kim Younggwon, Jang Hyunsoo, Jeong Seunghyeon, Yun Yeongseon, Kwon Kyungwon, Oh Bansuk, Kim Jinsu, Kim Minwoo, Park Jooho, Hong Chul, Go Yohan, Lee Yong
Midfielders: Ki Sungyueng, Jeong Wooyoung, Kwon Changhoon, Ju Sejong, Koo Jacheol, Lee Jaesung, Lee Seungwoo, Moon Sunmin, Lee Chungyong
Forwards: Kim Shinwook, Son Heungmin, Hwang Heechan, Lee Keunho
Reserves: Gu Sungyun (goalkeeper), Choi Chulsoon (defender), Son Junho, Lee Myungjoo, Lee Changmin, Ji Dongwon (midfielders), Suk Hyunjun (forward)
Mexico
Nigeria
Poland
Portugal
Goalkeepers: Anthony Lopes (Olympique Lyonnais/France), Beto (Goztepe SK/Turkey), Rui Patricio (Sporting CP)
Defenders: Antunes (Getafe/Spain), Bruno Alves (Rangers/Scotland), Cedric (Southampton/England), Joao Cancelo (Internazionale/Italy), Jose Fonte (Dalian Aerbin/China PR), Luis Neto (Fenerbahce/Turkey), Mario Rui (Napoli/Italy), Nelson Semedo (Barcelona/Spain), Pepe (Besiktas/Turkey), Raphael Guerreiro (Borussia Dortmund/Germany), Ricardo (Porto), Rolando (Marseille/France), Ruben Dias (Benfica)
Midfielders: Adrien Silva (Leicester City/England), Andre Gomes (Barcelona/Spain), Bernardo Silva (Manchester City/England), Bruno Fernandes (Sporting CP), Joao Mario (West Ham United/England), Joao Moutinho (Monaco/France), Manuel Fernandes (Lokomotiv Moscow/Russia), Rony Lopes (Monaco), Ruben Neves (Wolverhampton Wanderers/England), Sergio Oliveira (Porto), William (Sporting CP)
Forwards: Andre Silva (AC Milan/Italy), Cristiano Ronaldo (Real Madrid/Spain), Eder (Lokomotiv Moscow/Russia), Gelson Martins (Sporting CP), Goncalo Guedes (Valencia/Spain), Nani (Lazio/Italy), Paulinho (Braga), Ricardo Quaresma (Besiktas/Turkey)
Russia
Tunisia
Goalkeepers: Mathlouthi Aymen (Al Batin, Saudi Arabia), Ben Cherifia Moez (ES Tunis), Ben Mustapha Farouk (Al Shabab, Saudi Arabia), Moez Hassen (LB Chateauroux, France)
Defenders: Hamdi Nagguez (Zamalek, Egypt), Dylan Bronn (Gent, Belgium), Rami Bedoui (ES Setif), Yohan Ben Olouane (Leicester City, England), Siyam Ben Youssef (Kasimpasa, Turkey), Yessine Meriah (CS Sfaxien), Bilel Mohsni (Dundee United, Scotland), Khalil Chammam (ES Tunis), Oussama Haddai (Dijon, France), Ali Maaloul (Al Ahly, Egypt);
Midfielders: Elyess Skhiri (Montpellier, France), Mohamed Amine Ben Amor (Al Ahly, Saudi Arabia), Ghaylene Chalali (ES Tunis), Karim Laaribi (Cesena, Italy), Ferjani Sassi (Al Nassr, Saudi Arabia), Ahmed Khlil (Club Africain), Seifeddine Khaoui (Troyes, France), Mohamed Wael Arbi (Tours, France);
Forwards: Fakhreddine Ben Youssef (Al Ittifaq, Saudi Arabia), Anice Badri (ES Tunis), Bassem Srarfi (Nice, France), Ahmed Akaichi (Al Ittihad, Saudi Arabia), Wahbi Khazri (Rennes, France), Naim Sliti (Dijon, France), Sabeur Khlifa (Club Africain)
