How Old Is Tanjiro Kamado in Re Zero

It's a common question that pops up in the vast world of anime fandom, especially when popular series cross paths in discussions: "How old is Tanjiro Kamado in Re Zero?" However, the most crucial answer to deliver upfront is this: Tanjiro Kamado, the kind-hearted protagonist with an iron will, is not a character from Re:Zero - Starting Life in Another World. He hails exclusively from the globally acclaimed series, Demon Slayer: Kimetsu no Yaiba....