Bill Nye is 70 years old as of 2026, and his birthday is November 27, 1955.

Quick Scoop: Bill Nye’s Age

  • Full name: William Sanford Nye.
  • Born: November 27, 1955, in Washington, D.C.
  • Current age: 70 years old (he turned 70 on November 27, 2025).
  • Famous for: Hosting the educational TV show “Bill Nye the Science Guy” in the 1990s.

So if you’re wondering “how old is Bill Nye?” right now in early 2026, the answer is: he’s 70 and still known worldwide as the bow-tie-wearing science explainer who made classroom TVs a lot more fun.

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