Eren Yeager, the main protagonist of the popular anime and manga series “Attack on Titan,” is a fictional character whose age is determined by the storyline and timeline depicted in the series. “Attack on Titan” has four seasons of the anime adaptation, with Season 4 being divided into two parts. The series is known for its complex and intricate storylines, with characters undergoing significant developments and changes as the plot progresses.

In Season 4 of “Attack on Titan,” the story takes a time skip of several years from the events of previous seasons. Eren, along with other characters, has grown older, and his age is depicted differently depending on the part of Season 4 being referred to.
In Part 1 of Season 4, Eren is shown as a young adult, approximately around the age of 19 or 20. After the time skip, he has become a member of the Survey Corps, a military organization dedicated to fighting against the Titans, and has taken on a more mature and determined persona. Eren’s actions and motivations undergo significant changes in Season 4, as he grapples with complex moral dilemmas and challenges the status quo.
In Part 2 of Season 4, the story further progresses, and Eren’s age may be around 21 or 22, depending on the timeline depicted in the series. However, it’s important to note that the exact age of Eren may not be explicitly stated in the series, as the focus of “Attack on Titan” is primarily on the unfolding events and the character’s development rather than their specific ages.
It’s also worth mentioning that “Attack on Titan” is known for its intricate and often dark storytelling, exploring themes such as war, discrimination, and humanity’s struggle for survival. The series delves into complex character motivations, ideologies, and moral dilemmas, which shape the actions and decisions of the characters, including Eren. Therefore, while Eren’s age may be a relevant aspect of the story, it is just one factor among many that contribute to the overall narrative of “Attack on Titan.”
It’s essential to note that as a work of fiction, the ages and timelines depicted in “Attack on Titan” are determined by the creators of the series, Hajime Isayama (manga) and Hajime Isayama (anime adaptation). The age of Eren and other characters may not necessarily align with real-world timeframes or standards. The timeline and ages of characters in fictional works are at the discretion of the creators and may be subject to change as the story progresses.
Eren’s age in Season 4 of “Attack on Titan” may be around 19 to 22, depending on the part of the season being referred to. However, it’s important to remember that “Attack on Titan” is a work of fiction, and the ages and timelines depicted in the series are determined by the creators and may not necessarily align with real-world standards. The focus of the series is primarily on the unfolding events and the development of the characters as they navigate complex themes and challenges in their fictional world.