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The most reliable single reference for Attack on Titan birthdays and heights is Hajime Isayama’s official Attack on Titan Character Encyclopedia. The important qualification is that ages depend on the story year: the main 104th Training Corps characters are generally 15 in Year 850 and about 19 in the Year 854 material. Several adult characters—including Levi, Erwin, and Hange—do not have safely established official numerical ages.
The table below separates guidebook-derived birthdays and human-form heights from timeline-based ages, later profile values, and estimates. It also avoids treating every number repeated online as canon.
How the Attack on Titan age timeline works
Attack on Titan uses story years rather than repeatedly stating the characters’ ages during every event. The official anime chronology identifies major points in Years 845, 847, and 850, including the 104th Training Corps’ enlistment and graduation. The later material takes place around Year 854. [C002]
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That means an age should be read alongside a year or arc. A character listed as 15 during the principal Year 850 events will generally be around 19 in Year 854. Birthday timing and the series’ compressed chronology make exact age-on-every-event-day calculations less certain, so “about 19” is more responsible than claiming a precise age for every scene.
Most birthdays and human-form heights in the table come from guidebook-derived reference data. Kodansha describes the Attack on Titan Character Encyclopedia as a 176-page reference containing more than 200 character entries, including main characters’ birth dates and heights. [C001][C007] The anime’s official character archive helps establish chronology, but it is not itself a complete birthday-and-height database. [C002]
Major Attack on Titan characters: ages, heights, and birthdays
Heights below are human-form heights. “850 / 854” indicates the most useful age comparison between the early main storyline and the later time period. A slash does not mean that the character’s age is officially printed for every intervening day.
| Character | Age reference | Height | Birthday | Notes |
|---|---|---|---|---|
| Eren Yeager | 15 in 850; 19 in 854 | 170 cm | March 30 | Core member of the 104th Training Corps. |
| Mikasa Ackerman | 15 in 850; 19 in 854 | 170 cm in 850 | February 10 | A later profile reference lists 176 cm in 854. |
| Armin Arlert | 15 in 850; 19 in 854 | 163 cm in 850 | November 3 | A later profile reference lists 169 cm in 854. |
| Levi Ackerman | Exact age undisclosed; older than 30 | 160 cm | December 25 | Do not present estimates such as 30–33 as fixed canon. |
| Erwin Smith | Undisclosed | 188 cm | October 14 | Adult age estimates are not definitively numbered. |
| Hange Zoë | Undisclosed | 170 cm | September 5 | No safely fixed official numerical age. |
| Jean Kirstein | 15 in 850; about 19 in 854 | 175 cm | April 7 | Member of the 104th Training Corps. |
| Connie Springer | 15 in 850; about 19 in 854 | 158 cm | May 2 | Member of the 104th Training Corps. |
| Sasha Blouse | 15 in 850; about 19 in 854 | 168 cm | July 26 | Member of the 104th Training Corps. |
| Historia Reiss | 15 in 850; about 19 in 854 | 145 cm | January 15 | Initially introduced under the name Christa Lenz. |
| Annie Leonhart | 16 in 850; about 20 in 854 | 153 cm | March 22 | Older than most of the 104th graduates. |
| Ymir, the 104th recruit | Approximately 17 in 850 | 172 cm | February 17 | A different character from Ymir Fritz. |
| Reiner Braun | 17 in 850; about 21 in 854 | 185 cm | August 1 | Guidebook-derived human-form height. |
| Bertholdt Hoover | 17 in 850; about 21 in 854 | 192 cm | December 30 | Guidebook-derived human-form height. |
| Zeke Yeager | About 25 in 850 | 183 cm | August 1 | Retain the story-year qualifier. |
| Marco Bodt | 15 in 850 | 178 cm | June 16 | Member of the 104th Training Corps. |
| Floch Forster | 15 in 850; about 19 in 854 | 175 cm | October 8 | The later time period makes the age distinction important. |
| Kenny Ackerman | Undisclosed; older adult | 190 cm | February 4 | Numerical age estimates are inferential. |
| Dot Pyxis | Undisclosed | 180 cm | September 13 | Birthday and height are available in reference data. |
| Petra Rall | Undisclosed | 158 cm | December 6 | A definitive numerical age is not established. |
| Yelena | Undisclosed | 190 cm | January 21 | Birthday and height are known; age is not safely fixed. |
| Gabi Braun | 12 at introduction in 854 | 138 cm | April 14 | Warrior candidate and Reiner’s cousin. |
| Falco Grice | Child/early teen at introduction in 854 | 140 cm | February 10 | A precise age should not be invented from secondary estimates. |
| Pieck Finger | Undisclosed | 155 cm | August 5 | Adult Warrior with no necessary fixed age for this comparison. |
| Porco Galliard | Undisclosed | 175 cm | November 11 | Birthday and height are more secure than an exact age. |
| Colt Grice | Undisclosed | 180 cm | August 12 | Exact age is not safely established in the accessible primary material. |
Sources and methodology: official chronology and guidebook descriptions are summarized from [C001], [C002], [C007], and [C008]. Individual reference values are guidebook-derived and cross-checked against indexed character references [C003][C004][C005][C006].
The 104th Training Corps were not all the same age
It is common to see the graduating cohort summarized as “all 15,” but that is too broad. Eren, Mikasa, Armin, Jean, Connie, Sasha, Historia, Marco, and Floch are generally listed at 15 during the key Year 850 events. Annie is generally treated as 16, while Reiner and Bertholdt are generally treated as 17. Ymir, the recruit, is approximately 17. [C005]
Those differences matter when comparing the group. Reiner and Bertholdt were not simply older versions of the same-age classmates, and Annie’s age also separates her from most of the cohort. By the Year 854 material, the younger members are generally about 19, Annie about 20, and Reiner and Bertholdt about 21.
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Which characters have undisclosed ages?
The absence of a number is meaningful. The available official material does not establish a definitive age for several prominent adults, so estimates should not be rewritten as canon.
- Levi Ackerman: the safest description is “older than 30.” Frequently repeated ranges such as 30–33 or “late thirties” should be labeled estimates, not presented as an official profile age. Creator comments and later clarifications have produced enough uncertainty that a precise number is not defensible. [C006]
- Erwin Smith and Hange Zoë: both are clearly adults, but their exact numerical ages are not firmly published in the accessible official material.
- Kenny Ackerman, Yelena, Petra Rall, Pieck Finger, Porco Galliard, and Colt Grice: reference material supplies useful birthdays and heights for some or all of these characters, but not a securely established exact age suitable for a definitive table.
This is why a list promising “every character’s exact age” overstates what the source material actually provides.
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Height changes: 850 profiles versus 854 profiles
The most frequent height mistake is mixing profile years. Mikasa is listed at 170 cm in the Year 850-era information and 176 cm in a later Year 854 profile. Armin is listed at 163 cm in the earlier profile and 169 cm later. [C007][C008]
For a fair comparison, use one time point throughout. The main table uses the original 850-era heights where a later value is known, while noting the later figures for Mikasa and Armin. A chart that combines Mikasa’s 176 cm later height with Armin’s 163 cm early height is comparing different versions of the characters.
Human height is not Titan height
Character height and Titan height are separate statistics. A person’s human-form height should not be replaced by the height of their Titan form. For example, Armin’s early human profile height is 163 cm, while the Colossus Titan is listed separately at 60 meters. [C007]
The same distinction applies to every Titan shifter: a Titan’s height describes the transformed body, not the character’s ordinary physical height. This is especially important in visual comparison charts, where centimeters and meters can otherwise be placed in the same column.
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Birthdays are not necessarily full dates of birth
The reference material generally gives a month and day—such as Eren’s March 30 or Levi’s December 25—not a universally confirmed Gregorian birth year. “Birthday” is therefore the accurate label. Calling these entries complete “dates of birth” can imply a level of information the guidebooks do not provide. [C003]
The two characters named Ymir also need to be kept separate. Ymir, the 104th recruit, has the modern character-profile information shown above. Ymir Fritz is the ancient founder from the series’ history, so a normal contemporary character-profile age and height do not apply to her in the same way. [C003][C010]
Best official references for Attack on Titan character data
Best match for birthdays and heights
The official Attack on Titan Character Encyclopedia is the most direct companion for this subject. Kodansha describes it as containing more than 200 character entries and specifically identifies birth dates and heights among the main-character information. The English print edition is 176 pages and is identified by ISBN 9781632367099. [C001][C007]
It is the best choice if the goal is a physical reference for character profiles rather than a general merchandise purchase.
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For deeper lore and behind-the-scenes material
Attack on Titan Guidebook: INSIDE & OUTSIDE is broader than a stats-only reference. Kodansha describes it as an exhaustive guide with character coverage, creator and staff interviews, concept art, and a Colossal Titan papercraft component. It suits readers who want context and production material alongside character information. [C008]
Other physical Attack on Titan gifts
Readers who want the source story rather than a reference book may prefer an Attack on Titan manga box set. Kodansha presents the box sets as collectible print editions containing multiple manga volumes and bonus items such as stickers, posters, and short-story collections. They are a good option for completionists, but they should not be treated as a definitive birthday database. [C009]
For fans collecting the completed adaptation, the Attack on Titan Final Season Blu-ray/DVD releases and the Attack on Titan OAD Archive are more relevant than a character guide. The official anime product archive documents the final physical releases, including the completed special and character-oriented booklet materials, as well as the separate OAD collection. Availability varies by country and retailer. [C010]
Licensed character goods—such as acrylic stands, plush items, art books, and movie pamphlets—are also natural gifts for fans focused on Eren, Mikasa, Armin, Levi, or the Survey Corps. Stock and licensing differ by region, so check that a listing is licensed and currently available before buying. [C011]
Frequently Asked Questions
How old are Eren, Mikasa, and Armin in Attack on Titan?
They are generally listed as 15 during the principal Year 850 events and approximately 19 in the Year 854 material. Birthday timing means those figures should not be treated as exact ages for every individual scene.
How old is Levi Ackerman?
Levi’s exact age is undisclosed. The safest canon-based wording is that he is older than 30. Numerical ranges such as 30–33 or estimates placing him in his late thirties should not be presented as confirmed official ages.
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How tall is Levi in Attack on Titan?
Levi’s listed human-form height is 160 cm.
What is Eren Yeager’s birthday?
Eren’s birthday is March 30. The reference material generally supplies the month and day, not a universally confirmed birth year.
What is Mikasa Ackerman’s height?
Mikasa is listed at 170 cm in the Year 850-era profile information. A later reference lists her at 176 cm in Year 854, so comparisons should use a consistent profile year.
Are all members of the 104th Training Corps 15?
No. Many central members are 15 in Year 850, but Annie is generally listed at 16, while Reiner and Bertholdt are generally listed at 17. Ymir, the 104th recruit, is approximately 17.
What is the difference between Ymir and Ymir Fritz?
Ymir, the 104th recruit, is a modern character with a birthday and human-form height in guidebook-derived references. Ymir Fritz is the ancient historical founder, so the same ordinary profile-age comparison does not apply.
The Bottom Line
The most defensible answer to an Attack on Titan ages, heights, and birthdays question is year-specific: the main young characters are mostly 15 in Year 850 and about 19 in Year 854, while several adult ages remain undisclosed. Use the Attack on Titan Character Encyclopedia for the strongest single reference, keep human and Titan heights separate, and label timeline calculations and adult-age estimates honestly.
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