500,000. 100,000 monolinguals (2002).
Puno Region; Moquegua Region highland area; small areas also in Cusco and Arequipa regions.
4 (Educational). Recognized language (1999, Constitution, Article 48).
All ages. 400,000 also use Spanish [spa]. People in towns and cities mostly want their children to speak Spanish.
Latin script [Latn].