Esperanto
A language of Poland
| Population | No estimate available. |
| Region | About 115 countries, most widely in central and eastern Europe; east Asia: China and other countries; areas of South America; southwest Asia. |
| Alternate names | La Lingvo Internacia, Eo |
| Classification | Constructed language |
| Language use | 2,000,000 L2 speakers (Wiesenfeld 1999). All ages. |
| Language development | Bible: 1900–1910. |
| Writing system | Latin script. |
| Comments | Developed 1872–1885 by L. L. Zamenhof of Warsaw, Poland, for intercommunication by L1 speakers of other languages. SVO, OVS; prepositions; genitives, relatives after noun heads; articles, adjectives, numerals before noun heads; question word initial; accusative ‘-n’; affixes mark tense; passive with ‘esti’ + passive participle; causative ‘-ig’; comparative word; nontonal. |

