| The Russian census of 2010 found 992 speakers of Esperanto, 9 of Ido, 1 of Edo and no speakers of Slovio or Interlingua. |
| Auxiliary languages, such as Esperanto, Ido, and Interlingua have comparatively simple inflectional systems. |
| The creators of Ido felt that much of Esperanto was either not internationally recognizable, or unnecessarily deformed. |
| He became a prime mover in the development of an international language Ido based on Esperanto. |
| Toshizo Ido, Hyogo Governor, invited participants to visit the public forum and attend the special sessions on tsunami early warning systems. |
| In 1928 Ido's major intellectual supporter, the Danish linguist Otto Jespersen, abandoned Ido, and published his own planned language, Novial. |
