How old is Ghost character in CoD?

Ghost in Call of Duty is in his mid-late twenties during the events of the main missions in the Modern Warfare series.

Modern Warfare II Fans Are Big Mad As TikTok Makes Ghost Sexy

Buy Call of Duty: Ghosts - Rorke Special Character

Simon Ghost Riley, Call of Duty Wiki

Simon Ghost Riley (2019), Call of Duty Wiki, Fandom

Simon “Ghost” Riley (Reboot), Wiki

Who is Ghost? A history on Call of Duty's favorite Grim Reaper

COD] I think Ghosts had the coolest looking characters in a CoD game. Just my opinion : r/CallOfDuty

What design for ghosts' mask over the years do you like the most? : r/ModernWarfareII

Get Free Skins, Items & COD Points in COD Mobile S8 2023! — Eightify

CoD community unhappy with Ghost's updated look in Modern Warfare - Dexerto

Call of Duty: Ghosts Characters - Giant Bomb

Simon Ghost Riley (2019), Call of Duty Wiki, Fandom

Call of Duty: Ghosts - All Special Characters (CC)