Does Muzan die in the manga?

Yes, Tanjiro does manage to kill Muzan in the manga.

Muzan was ultimately defeated by the collective efforts of Tanjiro, Nezuko, and the other demon slayers. Their teamwork and perseverance were key to ending Muzan's reign of terror in the manga.

Tanjiro Kamado and his allies managed to defeat Muzan. Their combined efforts and determination were crucial in the final battle.

I'm not sure. You might have to read the manga yourself to find out for sure.

No, Levi doesn't die in the manga. His fate is different from what some might expect.

Kaeya doesn't die. The manga continues with him as an active and present character. His storyline progresses without such a fatal event.

No, Inosuke doesn't die in the manga. The story keeps him alive throughout.

No, she doesn't. The story doesn't have her dying.

Nami doesn't die. The manga keeps her as a significant and surviving character with ongoing plot developments and adventures.

Sure, Dio meets his end in the manga. His demise is a significant plot point and has a major impact on the story's development.