Most people in Japan speak Japanese, but there is also a rich mix of regional, indigenous, and immigrant languages across the country.

Main language in Japan

  • Japanese (Nihongo) is the dominant everyday language and the language of education, media, and government, spoken by roughly 99% of the population.
  • There is no legally declared “official” language in the constitution, but in practice Japanese functions as the de facto national language.

Regional and indigenous languages

Beyond standard Japanese, Japan has several distinct language groups (not just dialects):

  • Ryukyuan languages (such as Okinawan, Amami, Miyako, Yaeyama) are spoken in Okinawa and parts of Kagoshima in the Ryukyu Islands; they belong to the same Japonic family as Japanese but are not mutually intelligible.
  • Ainu is an indigenous language of northern Japan (especially Hokkaido) and is critically endangered, with very few fluent speakers left.
  • Various small island languages and local varieties (including Amami, Kikai, Miyako and others) survive in scattered communities, often with aging speaker populations.

Think of it this way: if standard Japanese is the “main road,” Ryukyuan and Ainu are older side paths that tell the deeper story of the islands’ history.

Dialects of Japanese

Inside Japanese itself, there is major dialect diversity:

  • Standard Japanese is based largely on the Tokyo dialect and is used in schools, national TV, and official communication.
  • Well‑known dialects include Kansai (Osaka, Kyoto), Tohoku , Hokkaido , Kyushu , and many more, which can differ in accent, vocabulary, and grammar.
  • Younger people are increasingly shifting toward standard Japanese, which puts some local varieties under pressure.

Foreign and immigrant languages

Due to migration and global business, several foreign languages are also spoken in Japan today:

  • Chinese (various varieties) is one of the most widely used immigrant languages, with millions of ethnic Chinese residents and visitors.
  • Korean is spoken by long‑established Korean communities and newer migrants, accounting for a noticeable minority share.
  • English is widely studied in schools and used in business and tourism, though everyday conversational fluency varies.
  • Other minority immigrant languages include Thai, Korean, Mongolian, Tagalog , and more, reflecting newer migration patterns.

Quick HTML table of key languages

html

<table>
  <thead>
    <tr>
      <th>Language</th>
      <th>Type</th>
      <th>Main regions / communities</th>
      <th>Status</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Japanese (Nihongo)</td>
      <td>De facto national language</td>
      <td>All of Japan</td>
      <td>Very strong; spoken by ~99% of population</td>
    </tr>
    <tr>
      <td>Ryukyuan languages (e.g., Okinawan, Amami, Miyako)</td>
      <td>Indigenous regional languages (Japonic family)</td>
      <td>Okinawa Prefecture, parts of Kagoshima (Ryukyu Islands)</td>
      <td>Endangered; speaker numbers declining</td>
    </tr>
    <tr>
      <td>Ainu</td>
      <td>Indigenous language</td>
      <td>Hokkaido (historically northern Japan)</td>
      <td>Critically endangered; very few fluent speakers</td>
    </tr>
    <tr>
      <td>Local island languages / varieties (e.g., Amami, Kikai, Miyako)</td>
      <td>Regional / minority languages</td>
      <td>Smaller islands across southern Japan</td>
      <td>Small, aging speaker communities</td>
    </tr>
    <tr>
      <td>Chinese</td>
      <td>Immigrant / foreign language</td>
      <td>Chinese diaspora communities, major cities</td>
      <td>Growing minority language</td>
    </tr>
    <tr>
      <td>Korean</td>
      <td>Immigrant / foreign language</td>
      <td>Korean communities, especially in urban areas</td>
      <td>Established minority language</td>
    </tr>
    <tr>
      <td>English</td>
      <td>Foreign language (taught in schools)</td>
      <td>Nationwide in education; business and tourism hubs</td>
      <td>Widely studied; active use varies</td>
    </tr>
    <tr>
      <td>Other immigrant languages (Thai, Mongolian, Tagalog, etc.)</td>
      <td>Immigrant / community languages</td>
      <td>Specific migrant communities, mainly in cities</td>
      <td>Small but present</td>
    </tr>
  </tbody>
</table>

TL;DR: When people ask “what languages are spoken in Japan,” the core answer is Japanese, but the fuller story includes Ryukyuan and Ainu as indigenous languages and a growing mix of Chinese, Korean, English, and other immigrant languages layered on top of that.

Information gathered from public forums or data available on the internet and portrayed here.