For the seventh consecutive Olympic Games, a women's soccer tournament will be staged. Beginning Wednesday, the quest for Gold starts for 12 nations.
The USA will enter Tokyo as the heavy favourites however a chasing pack which includes The Netherlands, Sweden and Australia will be tough opponents given the strength of their respective squads.
Below are the team lists for each country that is competing in Tokyo.
World Ranking: 9
Best Result at an Olympic Games: 5th (2004)
After a positive group stage performance at Rio in 2016, Australia was then bundled out 7-6 on penalties to Brazil in the Quarter-Finals. Five years down the track, Australia enter Tokyo with optimism and hope of a deep tournament run. Headlined by Chelsea star Sam Kerr, the Matilda's squad features a strong core from which went to Rio in 2016. The additions of teenagers Kyra Cooney-Cross and Mary Fowler will also strengthen a squad which hopes to make a charge towards their first-ever Olympic medal in Tokyo.
Goalkeepers: Lydia Williams, Tegan Micah, Mackenzie Arnold.
Defenders: Clare Polkinghorne, Alanna Kennedy, Steph Catley, Ellie Carpenter, Aivi Luik, Laura Brock, Charlotte Grant, Courtney Nevin.
Midfielders: Elise Kellond-Knight, Emily van Egmond, Tameka Yallop, Chloe Logarzo, Kyra Cooney-Cross.
Forwards: Kyah Simon, Sam Kerr, Caitlyn Foord, Hayley Raso, Emily Gielnik, Mary Fowler
World Ranking: 7
Best Result at an Olympic Games: Silver medal (2004, 2008)
After falling short in the Bronze medal match at 2016 Rio games, Brazil finished fourth and will be looking for a medal in Tokyo. In their 24 player squad, one name to keep an eye on is 43-year-old Formiga who has already competed at a record 6 Olympic Games and played in a record 29 Olympic matches.
Goalkeepers: Barbara, Leticia, Aline Reis.
Defenders: Tamires, Erika, Poliana, Rafaella, Bruna Benites, Jucinara, Leticia Santos.
Midfielders: Formiga, Marta, Debinha, Andressinha, Angelina, Duda, Julia Bianchi.
Forwards: Beatriz, Ludmila, Geyse, Andressa Alves, Giovana
World Ranking: 8
Best Result at an Olympic Games: Bronze medal (2012, 2016)
Canada has been a consistent performing nation in previous Olympic tournaments. Claiming the Bronze medal at each of the last two Olympics, the Canadians will be looking towards the podium again. Among the 22 picked for Tokyo, 13 were apart of the squad that won the Bronze medal against Brazil at the Rio 2016 games.
Goalkeepers: Stephanie Labbe, Kailen Sheriden, Erin Mcleod
Defenders: Kadeisha Buchanan, Vanessa Giles, Shelina Zadorski, Allysha Chapman, Ashley Lawrence, Jayde Riverie, Gabrielle Carle.
Midfielders: Jessie Fleming Julia Grosso, Quinn, Desiree Scott, Sophie Schmidt
Forwards: Janine Beckie, Adriana Leon, Nichelle Prince, Deanne Rose, Christine Sinclair, Evelyne Viens, Jordyn Huitema
World Ranking: 37
Best result at an Olympic Games: N/A
Chile enters their first Olympic Games in Tokyo as rank outsiders. Just qualifying for the games has been a great success for the country and for Women's football in Chile. A resurgent team, Chile dropped off the World Rankings only 5 years ago due to inactivity, fast forward to now and they are competing at their first Olympic games.
Goalkeepers: Christiane Endler, Natalia Campos, Antonia Canales.
Defenders: Carla Guerrero, Camila Saez, Daniela Pardo, Javiera Toro, Valentina Diaz, Fernanda Ramirez.
Midfielders: Francisca Lara, Yanara Aedo, Karen Araya, Yessenia Lopez, Francisca Mardonas, Nayadet Lopez.
Forwards: Yastin Jimenez, Daniela Zamorta, Maria Jose urrutia, Fernanda Pinilla, Rosario Balmaceda, Javiera Grez, Yenny Acuna.
World Ranking: 15
Best result at an Olympic Games: Silver medal (1996)
China has only failed to qualify for the Olympics on one occasion in London 2012. Their Qualification for Tokyo came in a nail-biting 4-3 victory over rivals South-Korea. The squad for Tokyo 2021 features star midfielder Wang Shuang.
Goalkeepers: Zhu Yang, Peng Shimeng, Ding Xuan.
Defenders: Li Mengwen, Lin Yuping, Wu Haiyan, Wang Xiaoxue, Luo Guiping, Chen Qiaozhu, Wang Ying, Li Qintong.
Midfielders: Xin Zhang, Wang Shuang, Yan Wang, Mu Siwen, Yang Lina.
Forwards: Liu Jing, Wang Shanshan, Yang Wan Wurigumula, Xiao Yuyi, Wang Yanwen.
World Ranking: 6
Best result at an Olympic Games: 5th (2012)
With the Great Britain squad covering four nations, the 22-player squad features 19 players from England, 2 from Scotland and 1 from Wales. No one was selected from Ireland. The squad features a host of Premier League talent including Manchester City's Lucy Bronze and Steph Houghton, along with Arsenal defender Leah Williamson.
Goalkeepers: Ellie Roebuck, Carly telford, Sandy Maclver.
Defenders: Steph Houghton, Millie Bright, Lucy Bronze, Rachel Daly, Demi Stokes, Leah Williamson, Lotte Wubben-Moy, Niamh Charles.
Midfielders: Kim Little, Jill Scott, Sophie Ingle, Keira Walsh, Caroline Weir.
Forwards: Ella Toone, Ellen White, Lauren Hemp, Fran Kirby, Nikita Parris, Georgia Stanway.
World Ranking: 10
Best Result at an Olympic Games: Silver medal (2012)
After failing to qualify for the 2016 Games in Rio, the host nation gets a chance to redeem themselves in Tokyo. Saki Kumagi is the big name to keep an eye on for Japan during the games, the defender/midfielder currently plays for Lyon.
Goalkeepers: Sakiko Ikeda, Ayaka Yamashita, Chika Hirao.
Defenders: Saki Kumagai, Risa Shimizu, Asato Miyagawa, Moeka Minami, Nanami Kitamura, Saori Takarada, Shiori Miyake.
Midfielders: Emi Nakajima, Yui Hasegawa, Hina Sugita, Narumi Miura, Yuzuho Sugasawa, Jun Endo, Honoka Hayashi, Momoka Kinoshita.
Forwards: Yuika Sugasawa, Mana Iwabuchi, Mini Tanaka, Yuka Momiki
World Ranking: 4
Best Result at an Olympic Games: N/A
Also reaching their first Olympic Games, The Netherlands enter as one of the medal favourites. The Netherlands have firepower coming to Tokyo. Included in their squad is the dangerous attacking duo of Lieke Martens and Vivianne Miedema, both among the best players in the world.
Goalkeepers: Sari van Veenendaal, Lize Kop, Loes Geurts.
Defenders: Merel van Dongen, Kika van Es, Sisca Folkertsma, Stefanie van der Gragt, Dominique Janssen, Aniek Nouwen, Lynn Wilms.
Midfielders: Anouk Dekker, Danielle van de Donk, Jackie Groenen, Victoria Pelova, Sherida Spitse, Lineth Beerensteyn.
Forwards: Lieke Martens, Vivianne Miedema, Jill Roord, Shanice van de Sanden, Inessa Kaagman, Renate Jansen.
World Ranking: 22
Best result at an Olympic Games: 8th (2012)
The Tokyo 2021 Games will be the fourth consecutive Olympics for New Zealand. Among the best players for the Silver Ferns are captain Ali Riley and defender Abbey Erceg.
Goalkeepers: Erin Nayler, Anna Leat, Victoria Esson.
Defenders: Cj Bott, Claudia Bunge, Abby Erceg, Anna Green, Meikayla Moore, Ali Riley, Elizabeth Anton, Marissa van der Meer.
Midfielders: Katie Bowen, Olivia Chance, Daisy Cleverly, Betsy Hassett, Annalie Longo, Ria Percival.
Forwards: Emma Rolstom, Gabi Rennie, Paige Satchell, hannah Wilkinson, Michaela Robertson.
World Ranking: 5
Best result at an Olympic Games: Silver medal (2016)
Sweden managed to knock defending Gold medalist Germany out of Olympic qualification whilst qualifying themselves in the process. A medal would be what Sweden is aiming for again, on the back of naming a strong squad. Kosovare Aslanni and Magdalena Eriksson are among the big names featured in their squad.
Goalkeepers: Jennifer Falk, Hedvig Lindahl, Zecira Musovic.
Defenders: Jonna Andersson, Nathalie Bjorn, Magdlena Eriksson, Hanna Glas, Amanda Ilestedt, Emma Kullberg, Julia Roddar
Midfielders: Fillippa Angeldahl, Kosovare Asllani, Hanna Bennison, Olivia Schough, Caroline Seger, Stina Blackstenius, Lina Hurtig.
Forwards: Sofia Jakobsson, Madelen Janogy, Fridolina Rolfo, Anna Anvegard, Rebecka Blomqvist
World Ranking: 1
Best result at an Olympic Games: Gold medal (1996, 2004, 2008, 2012)
The USA enter Tokyo as the number 1 ranked team and also the overwhelming favourites to win gold for a 5th time. The squad has no shortage of world class talent including the likes of Julie Ertz, Samantha Ewis and Lindsay Horan. Well known veterans Alex Morgan and Megan Rapinoe are also in the squad.
Goalkeepers: Adrianna French, Alyssa Naeher, Jane Campbell.
Defenders: Abbey Dahlkemper, Tierna Davidson, Crystal Dunn, Kelley O'Hara, beck Sauerbrunn, Emily Sonnett, Casey Krueger.
Midfielders: Julie Erts, Lindsey Horan, Rose Lavelle, Kristie Mewis, Samantha Mewis, Cataerina Macario, Tobin Heath.
Forwards: Carli lloyd, Alex Morgan, Christen Press, Megan Rapinoe, Lynn Williams.
World Ranking: 104
Best result at an Olympic Games: N/A
Zambia will enter their first ever Olympic tournament in Tokyo comfortably the lowest ranked out of the 12 nations. The Zambia squad features 22 players.
Goal Keepers: Hazel Nali, Ngambo Musole, Catherine Musonda
Defenders: Margaret Belemu, Martha Tembo, Esther Siamfuko, Lushomo Mweemba, Anita Mulenga, Agness Musea, Vast Phiri, Fikile Xhosa, Mary Wilombe.
Midfielders: Ireen Lungu, Esther Mukwasa, Suzeni Evaline, Avell Chitundi, Ochumba Lubandij.
Forwards: Hellen Mubanga, Barbara Banda, Grace Chanda, Racheal Kundananji