- Jan 4 Gage Munroe, Canadian actor (I Declare War), born in Toronto, Ontario
- Jan 13 Nasa Hataoka, Japanese golfer (Women's PGA C'ship 2018 runner-up), born in Ibaraki, Japan
- Jan 18 Karan Brar, American actor (Diary of a Wimpy Kid; Bunk'd), born in Redmond, Washington
- Feb 28 Luka Dončić, Slovenian basketball guard (EuroLeague MVP 2018; NBA Rookie of the Year 2019; Dallas Mavericks), born in Ljubljana, Slovenia
- Mar 12 Janja Garnbret, Slovenian competitive climber, born in Slovenj Gradec, Slovenia
- Mar 13 Wiktoria Gąsiewska, Polish actress, born in Warsaw, Poland
- Mar 19 Tatum McCann, American actress
- Mar 23 Prince Beltran of Bulgaria
- Apr 3 Sam Kiszka, American bass player (Greta Van Fleet), born in Frankenmuth, Michigan
- Apr 4 Sheku Kanneh-Mason, British classical cellist (the Chineke! Orchestra; The Kanneh-Masons), born in Nottingham, England
- Apr 8 Isaac Hempstead Wright, English actor (Bran in Game of Thrones), born in Surrey, England
- May 23 James Charles [Dickinson], American internet personality and model (Cover Girl), born in Bethlehem, New York
- May 28 Cameron Boyce, American actor (Mirrors, Jessie), born in North Hollywood, California (d. 2019)
- Jun 27 Chandler Riggs, American actor (The Walking Dead), born in Atlanta, Georgia
- Jul 20 Princess Alexandra of Hanover, daughter of Princess Caroline of Monaco
- Jul 20 Pop Smoke [Bashar Barakah Jackson], American rapper and singer-songwriter (Shoot for the Stars, Aim for the Moon), born in Brooklyn, New York (d. 2020)
- Aug 7 Sydney McLaughlin, American hurdler and sprinter, born in New Brunswick, New Jersey
- Aug 28 Prince Nikolai of Denmark, born in Copenhagen, Denmark
- Sep 29 Juan Valentín Urdangarín y de Borbón, Spanish royal
- Oct 11 Patty Tavatanakit, Thai golfer (ANA Inspiration 2021), born in Bangkok, Thailand
- Nov 10 Armand "Mondo" Duplantis, Swedish-American pole vaulter, born in Lafayette, Louisiana
- Nov 20 Princess Sofia of Bulgaria, titular Bulgarian royal family
- Nov 20 Prince Umberto of Bulgaria, titular Bulgarian royal family
- Dec 16 Ethan Dolan, American Vine and YouTube star with twin brother Grayson, born in New Jersey
- Dec 16 Grayson Dolan, American Vine and YouTube star with twin brother Ethan, born in New Jersey
Adut Akech
Dec 25 Adut Akech, South Sudanese-Australian model, born in Sudan
Adut Akech
About 1999
How Old? 21 or 22 years old
Generation: Generation Z