ScriptLookup

Esperanto

eo 1M speakers

Esperanto is a Constructed language with approximately 1M speakers speakers. It is written using the Latin script. Its BCP 47 language code is eo.

Esperanto is the world's most widely spoken constructed international auxiliary language. It was created in 1887 by L. L. Zamenhof, a Polish-Jewish ophthalmologist who hoped to create an easy-to-learn neutral language to foster international communication and world peace.

Esperanto has a completely regular grammar with no exceptions, 16 grammatical rules, and a transparent vocabulary largely derived from European languages (primarily Romance and Germanic). It is estimated to have 1-2 million speakers worldwide. Esperanto uses the Latin alphabet with six additional letters (ĉ, ĝ, ĥ, ĵ, ŝ, ŭ).

Writing Systems Used for Esperanto

Latin
Primary
Hello World
LTR Latn

Frequently Asked Questions

What alphabet or script does Esperanto use?
Esperanto is written using the Latin script (ISO 15924 code: Latn). Latin is written left-to-right.
What direction is Esperanto written?
Esperanto is written Left-to-right. Text runs from left to right, the same direction as most European languages.
How many people speak Esperanto?
Esperanto has approximately 1M speakers speakers worldwide. It is a member of the Constructed language family.
What language family does Esperanto belong to?
Esperanto belongs to the Constructed language family. It is written with the Latin script.
What is the language code for Esperanto?
The BCP 47 language code for Esperanto is "eo". This code is used in software, web standards (the HTML lang attribute), and internationalization contexts.

Language Facts

BCP 47 Code
eo
ISO 639-3
epo
Status
constructed
Speakers
1M speakers
Language Family
Constructed
Scripts
1
Primary Script
Latin

Other Latin Languages

Acehnese Acoli Adangme Afar Afrikaans Aghem Akan Akoose Alabama Albanian Aleut Anii Ao Naga Aragonese Araona Arapaho Arawak Aromanian Arpitan Asturian

Data sourced from Unicode CLDR and ISO 639-3. Last updated April 20, 2026.