Will Byers is 17 years old in the latest season of Stranger Things as of late 2025.

Will Byers’ Age In The Show

  • Will is stated to be 17 years old in Season 5 of Stranger Things , which is set in the late 1980s in the show’s timeline.
  • Several recent cast/character age breakdowns confirm that Will’s character age in Season 5 is 17.

How This Fits The Timeline

  • Will and the core Hawkins kids start the series around age 12 in Season 1, which takes place in 1983.
  • As the seasons move through subsequent years in the 1980s, their ages progress accordingly, landing Will at 17 by Season 5.

Actor vs. Character Age

  • Will Byers is played by Noah Schnapp, who is 21 years old in real life in recent coverage.
  • Articles note that Noah is a few years older than his character, which is common for teen roles on TV.

TL;DR: If you’re asking “how old is Will Byers” in the latest Stranger Things season, the in-universe answer is 17 years old, while his actor Noah Schnapp is 21.

Information gathered from public forums or data available on the internet and portrayed here.