Ido ("linguo internaciona").

Flag of Ido Flag of Ido.svg
Created by Louis Couturat
Date founded 1907
Setting and usage International auxiliary language
Total speakers Native: 100 to 200
Category (purpose) constructed language
Category (sources) Vocabulary from Romance and Germanic languages
Regulated by Uniono por la Linguo Internaciona Ido
Language codes
ISO 639-1 io
ISO 639-2 ido