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What Is Japanese Language?

Japanese is spoken by approximately 125 million people, primarily in Japan. It is one of the most fascinating languages in the world — partly because of its three simultaneous writing systems, partly because of its intricate honorific system, and partly because it is a linguistic mystery. Despite extensive study, linguists have not conclusively linked Japanese to any other language family, making it what many consider a language isolate (though the Japonic family includes the Ryukyuan languages of Okinawa).

Three Writing Systems

This is the part that intimidates most learners. Japanese uses three scripts simultaneously, often within the same sentence:

Kanji — Chinese characters adopted starting in the 5th century CE. Each character represents a meaning and typically has multiple pronunciations (readings). The character for “mountain” (山) can be read as yama (native Japanese reading) or san/zan (Chinese-derived reading). An educated adult knows 3,000 to 6,000 kanji.

Hiragana — a phonetic script with 46 basic characters, each representing a syllable (ka, ki, ku, ke, ko, etc.). Hiragana is used for grammatical elements (verb endings, particles, conjunctions) and for native Japanese words not typically written in kanji.

Katakana — another phonetic script with 46 characters representing the same syllables as hiragana but in different forms. Katakana is used primarily for foreign loanwords (konpyuuta = computer, terebi = television), scientific terms, and emphasis (similar to italics).

A typical Japanese sentence mixes all three: 東京でコーヒーを飲みました (Tokyo de koohii wo nomimashita — “I drank coffee in Tokyo”). 東京 is kanji, で and を and みました are hiragana, コーヒー is katakana.

Grammar — A Different Logic

Japanese grammar operates on fundamentally different principles than English:

Subject-Object-Verb word order. Where English says “I ate sushi,” Japanese says “I sushi ate” (watashi wa sushi wo tabemashita). The verb always comes last.

Particles mark grammatical function. Wa marks the topic, ga marks the subject, wo marks the direct object, ni marks direction or time, de marks location of action. These small words are the glue of Japanese grammar.

No grammatical gender, no articles, no plurals (usually). Japanese does not distinguish “a book” from “the book” or “book” from “books.” Context does the work.

Levels of politeness. Japanese has elaborate systems of honorific speech (keigo). The same idea can be expressed in casual, polite, humble, or super-formal language depending on the relationship between speaker and listener. Using the wrong politeness level is a genuine social error.

Verbs do not conjugate for person. The same verb form is used for “I eat,” “you eat,” “he eats.” But verbs conjugate extensively for tense, mood, politeness level, and grammatical function.

The Politeness System

Japanese politeness (keigo) is not just “please” and “thank you.” It is a structured system with three levels:

Sonkeigo (respectful language) — elevates the actions of the person you are speaking to or about. Different verbs are used entirely: taberu (eat, casual) becomes meshiagaru (eat, respectful).

Kenjogo (humble language) — lowers your own actions relative to the listener. Iku (go) becomes mairu (go, humble).

Teineigo (polite language) — the standard polite forms used in everyday interactions with people you do not know well. Adding -masu to verb stems and desu after adjectives/nouns.

Navigating these levels correctly requires understanding social hierarchy, context, and relationship — skills that native speakers absorb from childhood but that take foreign learners years to master.

Japanese and Its Mysteries

Japanese is linguistically unusual for several reasons:

It has no proven genetic relationship to any other major language. Korean shares some structural similarities (SOV word order, agglutinative morphology, politeness systems), leading to persistent theories of common ancestry, but definitive proof remains elusive.

The writing system is among the most complex in active use. Literacy requires memorizing thousands of characters, each with multiple readings, plus two phonetic scripts. Yet Japan has one of the highest literacy rates in the world (99%).

Loanwords are absorbed enthusiastically. Modern Japanese is full of English-derived words adapted to Japanese phonology: arubaito (from German “Arbeit” — part-time job), aisu kurimu (ice cream), sumaatofon (smartphone).

Learning Japanese Today

Japanese is the third most-studied language in Asia (after English and Chinese). The JLPT (Japanese Language Proficiency Test) has five levels, from N5 (basic) to N1 (near-native). About 1.3 million people take the JLPT annually worldwide.

The entry barrier is higher than for European languages, but the resources are excellent: textbooks like Genki and Minna no Nihongo, apps like WaniKani for kanji, and massive amounts of native media (anime, manga, dramas, news) available online.

The most common advice from successful learners: start with hiragana and katakana (learnable in a week each), tackle basic grammar, and begin kanji early. Consuming Japanese media helps enormously — even passive listening trains your ear for the language’s rhythms and patterns.

Frequently Asked Questions

How hard is Japanese to learn for English speakers?

Very hard. The U.S. Foreign Service Institute rates Japanese as a Category IV language — the most difficult category — requiring approximately 2,200 class hours for professional proficiency. The three writing systems, complex honorifics, and grammatical structure very different from English all contribute to the difficulty. However, pronunciation is relatively simple with only 5 vowel sounds.

Why does Japanese use three writing systems?

Kanji (Chinese characters) were adopted starting in the 5th century. Since Chinese characters did not represent Japanese grammar, the Japanese developed hiragana and katakana — two phonetic scripts — to write grammatical elements and foreign words. Today, all three are used simultaneously: kanji for content words, hiragana for grammatical elements, and katakana for foreign loanwords.

How many kanji do you need to know?

The Japanese government's joyo kanji list contains 2,136 characters considered necessary for everyday use — these are taught through high school. Newspapers use roughly 3,000 to 4,000. An educated adult might know 4,000 to 6,000. The JLPT N1 (highest proficiency level) requires knowledge of about 2,000 kanji.

Further Reading

• Japan Foundation – Japanese Language Education
• Japanese Language – Encyclopaedia Britannica
• JLPT – Japanese Language Proficiency Test