UCLA Phonological Segment Inventory Database

The UCLA Phonological Segment Inventory Database (or UPSID) is a statistical survey of the phoneme inventories in 451 of the world's languages. The database was created by American phonetician Ian Maddieson for the University of California, Los Angeles (UCLA) in 1984 and has been updated several times.

• PHOIBLE

• Maddieson, Ian. (1984). Patterns of sounds. Cambridge studies in speech science and communication. Cambridge: Cambridge University Press.

• Simple interface to UPSID, including the list of languages and searches by selected criteria
• Info on obtaining UPSID information from UCLA

• Phonology
• Works on linguistic typology
• 1984 establishments in California
• Scientific databases
• Phonology stubs
• Database stubs
• Historical linguistics stubs

• Articles with short description
• Short description matches Wikidata
• All stub articles