Leon S. Kennedy is a fictional character, so his age depends on the point in the Resident Evil timeline you’re talking about, but we can pin it down from his in‑universe birth year.

Quick Scoop: How old is Leon Kennedy?

  • Leon S. Kennedy’s canonical birthday is July 31, 1977.
  • In Resident Evil 2 (set in 1998), he is 21 years old.
  • In Resident Evil 4 (set in 2004), he is 27 years old.
  • In Resident Evil 6 (set in 2013), he is 36 years old.

If you’re asking “how old is Leon Kennedy now in the most recent canon appearance?” then:

  • Resident Evil Requiem (RE9) is set around 2028, and Leon is stated to be 51 years old there.

So, in current mainline lore, Leon Kennedy is portrayed as being in his early 50s in the latest game timeline (51 in RE9’s 2028 setting).

Because he looks so youthful in many games despite that 1977 birth year, a lot of fan discussions and forum threads joke that Leon basically “doesn’t age” and must have special training, enhancements, or just ridiculously good genetics.

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