Luka Dončić (25 years old)
Feb 28 Slovenian basketball guard (EuroLeague MVP 2018; NBA Rookie of the Year 2019; Dallas Mavericks), born in Ljubljana, Slovenia
- Mar 5 Justin Fields, American NFL football quarterback (Chicago Bears), born in Kennesaw, Georgia
Janja Garnbret (25 years old)
Mar 12 Slovenian competitive climber, born in Slovenj Gradec, Slovenia
- Mar 14 Marvin Bagley III, American NBA player (Detroit Pistons), born in Temple, Arizona
- Apr 14 Chase Young, American NFL player (Washington Commanders), born in Upper Marlboro, Maryland
- May 3 Tom Hartley, English cricket spin bowler (Test BB 7/62 v India 2024; Lancashire CCC), born in Ormskirk, England
- May 5 Nathan Chen, American figure skater (Olympic Gold 2022), born in Salt Lake City, Utah
- May 30 Guanyu Zhou, Chinese racing driver (first Chinese F1 driver), born in Shanghai, China
- Jun 11 Kai Havertz, German football player (Arsenal), born in Aachen, Germany
- Jun 16 Justin Jefferson, American NFL player (Minnesota Vikings), born in St. Rose, Louisiana
- Jun 17 Elena Rybakina, Kazakhstani tennis player (Wimbledon women's singles 2022), born in Moscow, Russia
- Jun 28 Markéta Vondroušová, Czech tennis player (Wimbledon singles 2023; French Open 2019 runner-up), born in Sokolov, Czech Republic
- Aug 3 Brahim Díaz, Spanish footballer (Real Madrid), born in Málaga, Spain
- Aug 3 Zach Wilson, American NFL quarterback (NY Jets), born in Draper, Utah
- Aug 7 Sydney McLaughlin, American hurdler and sprinter, born in New Brunswick, New Jersey
- Aug 10 Ja Morant, American NBA player (Memphis Grizzlies), born in Dalzell, South Carolina
- Aug 12 Matthijs de Ligt, Dutch football player (Bayern Munich, Netherlands), born in Leiderdorp, Netherlands
- Aug 31 Shamar Joseph, West Indian cricket fast bowler (Test BB 7/68 v Australia 2024; Guyana), born in Baracara, Guyana
- Sep 8 Shubman Gill, Indian cricketer (Gujarat Titans, India), born in Farzilka, Punjab, India
- Oct 11 Patty Tavatanakit, Thai golfer (ANA Inspiration 2021; LPGA Tour Rookie of the Year 2021), born in Bangkok, Thailand
NBA YoungBoy (24 years old)
Oct 20 American rapper ("Bandit"; Tyler the Creator -"WusYaName"), born in Baton Rouge, Louisiana
- Nov 6 Robert Finke, American swimmer (Olympic gold men's 800/1,500m 2020), born in Tampa, Florida
- Nov 10 (Armand) "Mondo" Duplantis, American-Swedish athlete (Olympic gold pole vault 2020; World C'ship gold 2019; WR 6.18m), born in Lafayette, Louisiana
- Nov 13 Lando Norris, British auto racer (Karting World C'ship 2014; FIA Formula 3 European C'ship 2017; McLaren F1 2018- ), born in Bristol, England
- Nov 28 Hinata Miyazawa, Japanese football player (Mynavi Sendai, Japan), born in Minamiashigara, Japan
- Dec 27 Brock Purdy, American football quarterback for the San Francisco 49ers, born in Queen Creek, Arizona
About 1999
How Old? 24 or 25 years old
Generation: Generation Z