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Cooper Flagg

Photo: Hameltion, CC0, via Wikimedia Commons

Basketball player

Cooper Flagg

American basketball player (born 2006)

Cooper Flagg is 19 years old, born on December 21, 2006 in Newport.

Next birthday in 46 days, turning 20.

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Born
December 21, 2006, Newport
Age
19
Zodiac sign
Sagittarius
Country
United States
Known as
Basketball player

Official links: Instagram · X · TikTok · Wikipedia

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Cooper’s birthday, by the numbers

  • Cooper Flagg was born on a Thursday.
  • Cooper Flagg has been alive for about 7,259 days.
  • Their 10,000-day milestone falls on May 8, 2034.
  • Their next birthday, turning 20, is on a Monday.
  • Next milestone: Cooper Flagg turns 21 on December 21, 2027, in 1 year and 1 month. More milestone birthdays
  • Cooper Flagg is younger than 6,783 and older than 63 of the living celebrities on CFOTD.
  • Half birthday: June 21. Birthstone: Turquoise, tanzanite and zircon.
  • Cooper Flagg belongs to Gen Z.

Age gaps

Born within weeks of Cooper

Pau CubarsíSoccer player · January 22, 2007Yan DiomandeSoccer player · November 14, 2006MelodySinger · February 4, 2007Ethan MbappéSoccer player · December 29, 2006Silia KapsisSinger · December 5, 2006Mason RamseySinger · November 16, 2006

Days and weekdays are worked out from the birth date. Compare Cooper’s age with anyone.

Share Cooper Flagg’s birthday, December 21?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for December 21⭐Birthday twin cardA square card to share

Also born on December 21

All →
Samuel L. JacksonActor · Age 77Frank ZappaMusician · (1940 to 1993)Kiefer SutherlandActor · Age 59Tamannaah BhatiaActor · Age 36Chris EvertTennis player · Age 71Julie DelpyActor · Age 56

Also born in 2006

All →
Mckenna GraceActor · June 25EndrickSoccer player · July 21Warren Zaïre-EmerySoccer player · March 8Yan DiomandeSoccer player · November 14Jacob TremblayActor · October 5Lucas BergvallSoccer player · February 2

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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake

Frequently asked questions

How old is Cooper Flagg?

Cooper Flagg is 19 years old, born on December 21, 2006 in Newport.

What is Cooper Flagg’s zodiac sign?

Sagittarius, born December 21.