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Japanese Rōmaji (Roman letters)

The Latin alphabet was first used in Japan in the 16th century by Portuguese missionaries, who devised a romanisation system based on Portuguese spelling. Later the Dutch introduced a romanisation system based on Dutch.

By the 20th century, there were a number of different romanisation systems in use, including the Nippon, Kunrei and Hepburn systems.

Hepburn system (ヘボン式/hebon-shiki)

The Hepburn system was devised by James Curtis Hepburn (1815-1911), an American missionary from Philadelphia who arrived in Japan in 1859 and compiled the first modern Japanese-English dictionary about a decade later. The Hepburn system is now the most widely used romanisation system.

Kunrei system (訓令式/kunreishiki "Cabinet Ordinance system")

The Kunrei system was promulgated by the Japanese government during the 1930s. A revised version was issued in 1954.

The main differences in spelling between the Kunrei and Hepburn systems are as follows (Hepburn in brackets): si (shi), ti (chi), tu (tsu), hu (fu), zi (ji), sya (sha), syu (shu), syo (sho), tya (cha), tyu (chu), tyo (cho), zya (ja), zyu (ju), and zyo (jo). Long vowels: â (ā), ê (ē), î (ī), ô (ō), û (ū).

Nippon system (日本式/nipponshiki)

The Nippon system was the creation of Tanakadate Aikitsu and was first used in 1881. It is identical to the Kunrei system except for the sounds da, di, du, de, do, dya, dyu, dyo, which are written da, zi, zu, de, do, zya, zyu, zyo in the Kunrei system and da, ji, zu, de, do, ja, ju, jo in the Hepburn system.

Rōmaji (Hepburn System) with katakana and hiragana

This chart shows the Hepburn System of romanization with hiragana (on the left) and katakana (on the right), and the pronunciation in the IPA.

Japanese romaji, hiragana and katakana

The symbols for i and e in the wa row are not used in modern Japanese.

Usage

Rōmaji is the standard way of transliterating Japanese into the Latin alphabet. In everyday written Japanese, rōmaji can be used to write numbers and abbreviations. It is also used in dictionaries, text books and phrase books for foreign learners of Japanese.

When typing Japanese on computers, most people, both Japanese and non-Japanese, use rōmaji, which is converted to kanji, hiragana or katakana by the input software. It is also possible to type in hiragana or katakana if you have a Japanese keyboard, but few people are familiar with this method.

Sample text in rōmaji

Subete no ningen wa, umarenagara ni shite jiyū de ari, katsu, songen to kenri to ni tsuite byōdō de aru. Ningen wa, risei to ryōshin to o sazukerarete ori, tagai ni dōhō no seishin o motte kōdō shinakereba naranai.

This text in standard Japanese

すべての人間は、生まれながらにして自由であり、かつ、尊厳と権利と について平等である。人間は、理性と良心とを授けられており、互いに同 胞の精神をもって行動しなければならない。

Hear a recording of this text

Translation

All human beings are born free and equal in dignity and rights. They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.
(Article 1 of the Universal Declaration of Human Rights)

Links

ローマ字資料室 - information about the various rōmaji systems (in Japanese)
http://www.halcat.com/roomazi/doc/

Total Quality Japanese: The Romaji Conundrum (the source of some of the information on this page): http://www.cic.sfu.ca/tqj/JapaneseStudy/romaji.html

Information about Romaji
https://en.wikipedia.org/wiki/Romanization_of_Japanese
https://www.japanesepod101.com/japanese-romaji/
https://www.memrise.com/course/360237/learn-japanese-basics-in-romaji/
http://japanese-lesson.com/characters/romaji/index.html

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If you need to type in many different languages, the Q International Keyboard can help. It enables you to type almost any language that uses the Latin, Cyrillic or Greek alphabets, and is free.

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