Ellie is 14 at the beginning of the last of us part 1 The promotional material for the last of us season 1 explicitly gave ellie's age as 14, and season 2 opener future days notes immediately after the opening credits that the story has jumped. However, the passage of time in both games is nebulous at best
That makes tracking down how old ellie is by the conclusion of part 1 and her. Set five years after the events of the first game, players get to see an older and tougher ellie as she. If you are curious about how old is ellie, joel, etc., find out the ages of all the characters in the last of us part 2 and season 2 here.
The last of us season 2 character ages explained — ellie, dina, joel, abby and more The last of us part 2 takes ellie on a journey involving loss, revenge, and survival