UNESCO Vocabulary Services
The diffusion space of UNESCO's open vocabularies. The UNESCO Thesaurus is the first vocabulary to be published in SKOS format. Additional resources will be progressively made available.
~4,500
concepts
5
languages
7
domains
88
microthesauri
Vocabulary Categories
General
What is the UNESCO Thesaurus?
A structured collection of terms covering UNESCO's fields of work. It helps organize and find documents, data and publications consistently across languages and institutions.
Learn more about the Thesaurus →Where is it used?
The Thesaurus is the backbone for classifying documents in UNESDOC, UNESCO's digital library with over 200,000 publications. It is also used by libraries, research institutions and data platforms around the world.
Download
The full Thesaurus is available for download in open data formats.