Webtanjiro is 13 years old when he first appears in the anime, but he is 15 by episode 3. His birthday is july 14th, and he is 5'5 tall. See the ages, birthdays, and. Webtanjiro is officially 15 years old but considering all the time that had passed, he must be at least 16 by the end of the story. Webtanjiro is a young man who becomes a demon slayer after his family is killed by demons. He has a demon slayer mark, which is said to curse anyone who activates it to die at. Webwhat is tanjiro’s age in demon slayer (season 2)? At the start of the series, tanjiro is 13 years old and undergoes training for a long time to gain more experience as a demon slayer. Webwhile not an outright confirmation that tanjiro made it past 25, it does heavily imply he survived long enough after his battle with muzan to grow old and father a. His age is initially revealed to be around 15 years old.
