Japanese Dialects and Language Diversity

Research resources related to Japanese dialects and language diversity in Japan

  • Linguistic Atlas of Japan

    The ‘Linguistic Atlas of Japan’ (dialect atlas) is one of the basic research materials of dialectology, which shows geographical distributions of words and pronunciations of Japanese dialects. Digital images of maps contained in the ‘Linguistic Atlas of Japan’ (a total of 300 images) are available in PDF format.

  • Grammar Atlas of Japanese Dialects

    The ‘Grammar Atlas of Japanese Dialects’ is a linguistic map (dialect map) which shows an overview of geographical distribution of grammatical phenomena across Japan. Images of maps contained in the ‘Grammar Atlas of Japanese Dialects’ (a total of 350) are available.

  • Data and Program Release

    Complete data from the Grammar Atlas of Japanese Dialects (GAJ), PDF files of GAJ, tools and contents for mapping linguistic (dialectal) maps, results of preliminary study for GAJ, and database of linguistic (dialectal) atlases of Japanese dialects are published.

  • Topical Dictionary of Conversational Ainu

    This online dictionary is based on the original Ainugo Kaiwa Jiten. It contains 3467 headwords which can be searched for by ‘Topic’ or ‘Full-text’ methods. In addition to the original notations, various information, including the colloquial translations, audio (3467 items), videos (131 iems), and photos (86 items) are provided.

  • A Glossed Audio Corpus of Ainu Folklore

    This is the first fully glossed and annotated digital collection of Ainu folktales with translations into Japanese and English. It contains 10 stories (8 uepeker ‘prosaic folktales’ and 2 kamuy yukar ‘divine epics’) narrated by Mrs. Kimi Kimura (1900-1988, born in Penakori Village, upper district of the Saru River) with a total recording time of about 3 hours.

  • The World Atlas of Transitivity Pairs (WATP)

    This web application provides typological information on the formal relationship between lexical pairs of transitive and intransitive verbs in selected world languages including Japanese in the form of a map and charts.

  • The Databese of the Okazaki Survey of Honorifics

    This database is the result of the honorifics survey in Okazaki City of Aichi Prefecture which was headed by the National Institute for Japanese Language and Linguistics. The OSH (Okazaki Survey of Honorifics) was conducted in the years 1953, 1972, and 2008, and shows real-time changes over a span of 55 years following the war.

  • Okinawa-go (Ryukyu dialect) dictionary database

    Electric data of Okinawago Jiten (Okinawa Language Dictionary), published 1963 and revised 2001.

  • Database of endangered languages/dialects in Japan

    This database releases recorded voices of endangered languages/dialects in Japan. It consists of word pronunciations and natural conversations of the endangered languages/dialects, such as Amami, Okinawa, and Hachijo. It also includes transcribed texts and their translation into Standard Japanese.

  • Accent Database of Koshikijima Japanese

    This is an accent database of Koshikijima Japanese, a dialect spoken on the Koshikijima Islands in Kagoshima Prefecture. It is an endangered dialect with about 3,000 native speakers.

  • Longitudinal Database of Dialect Standardization in Tsuruoka City

    This is a database of the standardization of Tsuruoka Dialect based on longitudinal surveys conducted in 1950, 1971, 1991, 2011.