L1 users: 3,750 (1990 UBS).
Papua province: Jayapura regency, Bukia, Depapre, and Wari towns, and 13 villages on north coast.
Yokari, Tepera, Yewena-Yongsu. Yokari dialect understood by other dialects at 80% to 95%, others have 95%–100% mutual intelligibility. Lexical similarity: 30% with Sentani [set].
Also use Indonesian [ind].
Latin script [Latn].
Distinct from Tanahmerah [tcm] (Sumeri) of Bomberai Peninsula. Christian, traditional religion.