Will Byers is 16 years old in the most recent events of Stranger Things, with an in‑story birthdate of March 22, 1971.

Will’s Age In The Show

  • Will is stated in tie‑in and fan-reference materials to be born on March 22, 1971.
  • That makes him about 12 years old in the first season (set in 1983) and 16 years old by season 5, which takes place in 1987.

Actor vs. Character

  • Will is played by Noah Schnapp, who is in his early 20s in real life, while the character is written as 16 in the latest season.
  • This age gap is common across the Stranger Things cast, where many actors are several years older than their on‑screen characters.

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