Halloween is celebrated to some degree in 52 countries, but it is fully rooted in only four

Asked:

“Which countries celebrate helloween?”

A live-web scan of 1,203 unique pages (2,333 raw country mentions, merged from eight queries) found explicit evidence of Halloween being celebrated, observed, or marked in 52 sovereign countries, each corroborated by at least two independent web hosts. “Celebrates” is not binary: Halloween is a deep cultural fixture in Ireland, the United States, Canada, and the United Kingdom, a growing commercial or urban event in much of Europe, Latin America, and Asia, and only a limited or local affair elsewhere. It is generally not a public holiday anywhere, and this is a supported list, not proof that other countries have no Halloween activity.

Established national tradition (4) Growing, urban or commercial (26) Limited or local celebration (22) No corroborated evidence found

Hover or tap a shaded country for how it marks Halloween. Tiers: established = the four historic Halloween cultures; growing = corroborated by 20+ independent hosts; limited = fewer hosts, typically city, school or expat celebrations. Singapore and Malta are too small to appear on this map scale; find them in the table below.

One Wikipedia page, “Geography of Halloween”, is the displayed source for 26 of the 52 rows (50%), though every country is corroborated across multiple independent hosts — en.wikipedia.org

The United States tops corroboration with 129 independent hosts and an estimated $8.4 billion in Halloween spending, its second-biggest decorating holiday after Christmas — en.wikipedia.org

Several countries blend or contrast Halloween with older observances near the same dates — Dušičky grave visits in the Czech Republic, Sint-Maarten lantern rounds in the Netherlands, Kalan Goañv in Brittany — which are not Halloween itself — internationalteflacademy.com

At the thin end of the evidence, 22 countries — from Finland and Chile to Rwanda and Indonesia — were corroborated by fewer than 20 hosts, usually describing parties in capitals, tourist venues or expat circles — yahoo.com

All 52 supported countries

Country	Tier	How Halloween is observed	Hosts	Source

Method: live-web scan merging eight diverse search queries, yielding 1,203 unique pages and 2,333 raw extracted country mentions; after semantic extraction and corroboration, 52 sovereign countries remained, each supported by at least two independent web hosts. “Hosts” counts independent websites corroborating a country; one representative source URL is shown per row. Tiers are editorial: established marks the four historic Halloween cultures; growing vs limited splits at 20 independent hosts. Semantic extraction failed on some pages, so the list is supported, not exhaustive. Full source counts (1,666 total mentions across rows) are summarized, not listed, for space.

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