Ellie is 14 years old in The Last of Us Part I and 19 years old in Part II. By the final chapter in Santa Barbara, she is approximately 21 years old.
Ellie’s Age Timeline
Ellie Williams was born in the spring of 2019 (in the game timeline).
She begins her story as a 14-year-old orphan in The Last of Us Part I, where she discovers her immunity and travels across the country with Joel.
Following a five-year time skip, she is 19 years old during the primary events of The Last of Us Part II.
By the time the second game reaches its final epilogue in Santa Barbara, approximately two more years have passed, making her roughly 21 years old.
Age Breakdown
Stage 1: The Beginning (Age 13–14)
The Prequels: In the American Dreams comic and the Left Behind DLC, Ellie is 13 going on 14. This stage focuses on her life in the Boston quarantine zone and the moment she is bitten.
The Main Journey: Throughout the entirety of Part I, Ellie is 14 years old. She turns 15 shortly after the game concludes.
Stage 2: The Jackson Years (Age 15–18)
The Flashbacks: Part II features several flashbacks. The famous “Museum Trip” occurs on her 16th birthday. A later flashback involving a bloater in the woods happens when she is 17 or 18.
Stage 3: The Seattle Conflict (Age 19)
The Core Story: The main events of Part II (her quest for revenge in Seattle) take place five years after the first game. Ellie is 19 years old during these three days of conflict.
Stage 4: The Final Chapter (Age 20–21)
The Farm: After Seattle, Ellie lives on a farm with Dina. Because Dina’s son (JJ) has grown into a toddler, it is estimated she is 20 years old.
Santa Barbara: By the time Ellie tracks down Abby in California and finally returns to the farmhouse, she is widely considered to be 21 years old.
Quick Comparison Table
| Part / Stage | Ellie’s Age | Focus |
|---|---|---|
| Part I | 14 | Survival & Bonding |
| Part II (Main) | 19 | Revenge & Trauma |
| Part II (Ending) | 21 | Loss & Reflection |