Robert Irwin (Steve Irwin’s son) was born on 1 December 2003, so his exact age depends on the moment you’re asking about.

Since it’s currently January 2026, that means Robert Irwin is 22 years old (he turned 22 on 1 December 2025).

If you were asking “how old was Robert Irwin when his dad died?”: Steve Irwin passed away in September 2006, so Robert was 2 years old at the time.

TL;DR:

  • Born: 1 December 2003, Buderim, Queensland, Australia.
  • Age right now (January 2026): 22 years old.
  • Age when Steve Irwin died (September 2006): 2 years old.

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