| Aspect | Día de Muertos | Halloween |
|---|---|---|
| Roots | Mesoamerican (Aztec, Maya, Purépecha) — 3,000+ years | Celtic Samhain (Ireland/Scotland) — 2,000+ years |
| Christian overlay | All Saints'/All Souls' (Nov 1–2) | All Hallows' Eve (Oct 31) |
| Core belief | Dead return to visit; death = natural cycle | Veil thin; spirits/ghosts roam; ward off evil |
| Día de Muertos | Halloween |
|---|---|
| Build home/grave altars (ofrendas) | Trick-or-treat (costumes, candy) |
| Cemetery vigils, cleaning, decorating | Carve jack-o'-lanterns |
| Cook favorite foods of deceased | Costume parties, haunted houses |
| Marigolds, candles, copal, pan de muerto | Horror movies, ghost stories |
| Sugar skulls (calaveras) with names | Pranks, "tricks" |
Día de Muertos: UNESCO Intangible Heritage (2008); resisting commercialization. Halloween: Global commercial juggernaut ($12B+ US alone); detached from Celtic roots.
Día de Muertos honors the dead with love. Halloween entertains the living with fear.