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5 sourced facts about world cultural heritage, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Going deeper
About what share of World Heritage Sites are classified as 'cultural' rather than natural or mixed?
Answerabout 78% (972 of 1,248)
Cultural sites, like historic cities, monuments and archaeological sites, far outnumber natural ones on the list.
Source: Wikipedia, World Heritage Site (2025) en.wikipedia.org
In what year was the World Heritage Convention adopted, creating the modern World Heritage list?
Answer1972
It took a few more years, until 1978, for the first sites to actually be inscribed.
Source: Wikipedia, World Heritage Site (2024) en.wikipedia.org
Expert level
As of late 2024, about how many countries have ratified the World Heritage Convention?
Answer196 states
That makes it one of the most widely ratified international agreements of its kind.
Source: Wikipedia, World Heritage Site (2024) en.wikipedia.org
About what share of forested natural World Heritage Sites have lost some forest cover since 2000?
Answer91%
Even protected, globally significant natural sites haven't been immune to deforestation pressures.
Source: Wikipedia, World Heritage Site (2024) en.wikipedia.org
Roughly how many countries have 15 or more World Heritage Sites?
Answer23 countries
Italy leads the list, with many other European countries also home to a large number of sites.
Source: Wikipedia, World Heritage Site (2024) en.wikipedia.org
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