- Jan 24 Johnny Orlando, Canadian pop singer-songwriter ("Waste My Time"), born in Mississauga, Ontario
- Feb 20 Olivia Rodrigo, American actress and singer-songwriter ("Driver's License"), born in Temecula, California
- May 19 JoJo Siwa, American dancer, singer and YouTube personality, born in Omaha, Nebraska
- Jul 1 Tate McRae, Canadian singer-songwriter and dancer (You Broke Me First), born in Calgary, Alberta
- Aug 17 The Kid Laroi [Charlton Howard], Australian singer-songwriter (Without You), born in Waterloo, Australia
About 2003
How Old? 18 or 19 years old
Generation: Generation Z
Chinese Zodiac: Horse (Jan 1 - Jan 31), Goat/Sheep (Feb 1 - Dec 31)