- Dec 1 Truitt Battin, American soccer player, born in Chicago, Illinois
- Dec 6 Pablo Nicolás Urdangarín y de Borbón, Spanish royal, born in Barcelona
- Dec 18 Jayden Daniels, American football quarterback (Heisman Trophy 2023; LSU), born in San Bernardino, California
- Dec 22 Joshua Bassett, American actor and singer (High School Musical: The Musical: The Series), born in Oceanside, California
About December 2000
How Old? 23 years old
Generation: Generation Z
Leap Year: Yes
Chinese Zodiac: Dragon
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Greatest Generation
Silent Generation
Baby Boomer
Generation X
Millennial
Generation Z