Ancient attitudes toward death and the afterlife reveal deep differences in how civilizations understood human existence and its purpose. These aren't merely religious questions; they shaped how people thought about memory, time, kinship, and the relationship between the living and the dead.

Egyptian mortuary culture is the most elaborate in the ancient world: the mummification process, the Book of the Dead's navigational spells for the afterlife, the judgment of the soul by Osiris, the elaborate tomb goods intended for use in the next world. The investment in preparation for death was not morbid but a logical consequence of a belief system in which the afterlife was a continuation of this life under better conditions, provided the correct preparations had been made.

Greek attitudes are more varied than the Homeric shades-in-Hades model suggests. The mystery religions — Eleusis, Orphism, Dionysianism — all promised some form of blessed afterlife to initiates. Plato's philosophical arguments for the immortality of the soul are the most systematic ancient attempt to ground afterlife belief in rational argument. The Epicurean view — death is simply non-existence, and therefore not an evil — is the most radical ancient alternative.

Roman ancestor worship (mos maiorum) gave the Roman elite a particularly strong connection between the living and the dead. The imagines maiorum — wax masks of deceased ancestors displayed in the atrium — were brought out at funerals to walk in the procession. The dead remained present in the family's ceremonial life in a way that had no Greek equivalent.