A single ordinary Japanese sentence can use three scripts at once. 私はコーヒーを飲みました — I drank coffee — contains kanji (私, 飲), hiragana (は, を, みました) and katakana (コーヒー). This is not redundancy. Each script has a defined job, and the combination is what makes Japanese readable without spaces.
The division of labour
| Script | Characters | Job |
|---|---|---|
| Kanji | thousands | content words — nouns, verb and adjective stems |
| Hiragana | 46 basic | grammar — particles, endings, native words |
| Katakana | 46 basic | loanwords, onomatopoeia, emphasis |
Break the example apart and the system is visible:
| Piece | Script | Role |
|---|---|---|
| 私 | kanji | I — content |
| は | hiragana | topic particle |
| コーヒー | katakana | coffee — loanword |
| を | hiragana | object particle |
| 飲 | kanji | drink — verb stem |
| みました | hiragana | polite past ending |
Kanji does the work spaces do in English
Japanese has no spaces between words. The script alternation supplies the boundaries instead: a shift from kanji to hiragana usually signals the end of a content word and the start of grammar. Readers use that alternation to chunk a line without consciously segmenting it.
Written entirely in hiragana, the same sentence — わたしはこーひーをのみました — is a flat ribbon that a Japanese reader must slow down to parse. This is exactly why children's books, which use mostly hiragana, are harder for adults to read quickly than ordinary newspaper text.
Kanji also separates homophones. kikan can be 期間 (period), 機関 (engine, institution), 帰還 (return) or 気管 (windpipe). In speech, context sorts them out. In writing, the characters do it instantly — which is a large part of why Japanese has not abandoned kanji despite periodic proposals.
Hiragana is where you start
Forty-six basic characters plus modifications, covering every sound in the language. It writes particles, verb and adjective endings, and native words that have no kanji or whose kanji is uncommon.
| Use | Example | Note |
|---|---|---|
| Particles | は, が, を, に, で | the grammatical skeleton |
| Verb endings | 食べます | kanji stem, kana ending |
| Native words | きれい | kanji exists but is rarely used |
| Furigana | small kana above kanji | reading aid |
The endings written in hiragana after a kanji stem are called okurigana, and they are what allows a single character to serve every conjugated form of a verb.
Katakana signals foreignness
| Katakana | Reading | From |
|---|---|---|
| コンピューター | konpyūtā | computer |
| アルバイト | arubaito | German Arbeit — part-time job |
| パン | pan | Portuguese pão — bread |
| イクラ | ikura | Russian икра — salmon roe |
| ワクワク | wakuwaku | native — excitement |
Note the last row. Katakana also writes onomatopoeia and mimetic words, a category Japanese uses far more heavily than English, and which appears constantly in manga and casual writing.
Most kanji have two kinds of reading
Kanji arrived from China, and most characters kept both an approximation of the Chinese pronunciation and the native Japanese word for the same concept.
| Kanji | On-yomi | Kun-yomi | Meaning |
|---|---|---|---|
| 山 | san | yama | mountain |
| 水 | sui | mizu | water |
| 人 | jin, nin | hito | person |
| 日 | nichi, jitsu | hi, ka | sun, day |
The working rule is that compounds of two or more kanji usually take on-yomi (富士山 Fujisan), while a character standing alone with hiragana attached usually takes kun-yomi (山 yama). It has exceptions, but it predicts correctly often enough to be worth internalising early.
The order to learn them
Hiragana first, and quickly — a week of focused work is normal, and it unlocks all grammar. Katakana second, which is easier than it looks because you can often guess the word from the sound. Kanji continuously thereafter, learned in context with vocabulary rather than as an isolated list.
The reassuring part is that the three-script system, which looks like triple the workload, is what makes Japanese text navigable at all. Removing any one of them would make reading harder, not easier.
Read Japanese with a dictionary at hand
The free English-Japanese Dictionary gives readings in kana alongside kanji, which is what you need while the characters are still new. Works offline.
Open the dictionary appFrequently asked questions
Why does Japanese not just use hiragana for everything?
Because Japanese has no spaces between words and a great many homophones. Kanji marks word boundaries visually and separates identical-sounding words, so an all-hiragana text is measurably slower to read even for native speakers.
How many kanji do I need to read a newspaper?
The official jōyō list of 2,136 characters covers general-purpose writing and is what Japanese schooling targets. Around 1,000 gets you a long way with ordinary text, particularly with furigana available for the rest.
Is katakana only for foreign words?
It is the main use, but not the only one. Katakana also writes onomatopoeia, plant and animal names in scientific contexts, and words a writer wants to emphasise — roughly the job italics do in English.