Halloween is celebrated in many countries around the world, with the strongest traditions in the United States, Canada, Ireland, and the United Kingdom. The celebration has spread widely, and you'll find activities ranging from parades, haunted houses, and costume parties to trick-or-treating in numerous places outside these core regions as well. Here are key patterns and notable examples:

• North America
  • United States and Canada: Major urban parades (like New York’s Halloween Parade), haunted attractions, costume events, and door-to-door trick-or-treating in many neighborhoods. The scale and variety are among the largest globally.

• Europe
  • Ireland and the United Kingdom: Deep historical roots and widespread festivities, including parades, fairs, and community events. Halloween is deeply embedded in local culture, especially in Ireland and parts of Scotland and England.

* Continental Europe: Many countries host Halloween-themed events, haunted tours, and seasonal festivals, though the level of participation varies by country and city.

• Latin America
  • Mexico and parts of Central America: Celebrations mix Halloween with local traditions; in many places, Día de Muertos (Day of the Dead) festivities are prominent around late October into early November, often alongside Halloween events.

• Other regions
  • Asia, Africa, and Oceania: Cities with large expatriate communities or vibrant commercial districts often host Halloween parties and themed events, especially in major cities or tourist hubs.

If you’re planning to join or observe Halloween celebrations, you’ll find that:

• Urban centers tend to have the most elaborate parades, decorations, and events, regardless of country.

• In places where Día de Muertos is celebrated, Halloween and the Day of the Dead can blend, offering unique cultural experiences.

• Local variations exist in traditions, timing, and volume of activities, so checking city-specific schedules can be helpful.

Would you like a country-by-country snapshot of typical Halloween activities and peak events for a particular region or city?