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knowsLanguage

A Schema.org Property
Usage: 10K - 100K Domains Based on monthly aggregations from Google's web index. (Google - May 2026)

This term is in the "new" area - implementation feedback and adoption from applications and websites can help improve our definitions.
Thing > Property :: knowsLanguage
Of a Person, and less typically of an Organization, to indicate a known language. We do not distinguish skill levels or reading/writing/speaking/signing here. Use language codes from the IETF BCP 47 standard.

Values expected to be one of these types

Used on these types

Acknowledgements

The Trust Project
This term and its definition is based upon the work of The Trust Project.

Source

https://github.com/schemaorg/schemaorg/issues/1688