Webalthough after the entertainment district arc, including a minor timeskip and several incidents all the way through demon slayer season 3, not much time has. His birthday is on july 14. Webhowever, tanjiro does not die at 25, but lives until he is 88 years old. The reason for his longevity is unknown, but it may be related to his unique bloodline or his resistance to the curse. 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. Webquick answers what is the age of tanjiro kamado in demon slayer? His age progresses to. Webthe peaceful life of the kamado family was shattered when tanjiro returned home to find his family brutally slaughtered by a demon. The demon attack left tanjiro's. Tanjiro's transformation into the demon king showcases the internal battle of good versus evil & redemption. The change affects tanjiro's. Webthen, by season 1 episode 22, he confirms that two years have passed, indicating that he is at least 15 years old, going on to 16, in the entertainment district arc since this event. Webduring and after the entertainment district arc of the anime, tanjiro is closer to 16 years old, as he spends several months in recovery due to a grueling battle with.