How Many Japanese Words Do You Need? Vocabulary by Goal and JLPT Level

You need roughly 800 to 1,000 Japanese words to handle simple everyday situations, around 2,000 to 3,000 to hold relaxed conversations on familiar topics, and 6,000 to 10,000 or more to read newspapers, work in Japanese or pass the higher JLPT levels. These are rough figures, not official targets, and how well you can use the words matters as much as how many you know. Knowing the most common words well, in phrases you can actually say, gets you speaking much faster than a long list you only recognise.

Rough word counts by goal

The JLPT figures above are estimates that learners and teachers often quote, based on the older version of the test. The current JLPT does not publish an official word list, so treat them as a guide. For level details, see JLPT levels explained.

Why the number is tricky in Japanese

• Kanji multiply what you have to know. You may know the spoken word でんしゃ (train) but not recognise 電車 in writing. Reading needs extra work; see how to learn kanji.
• Politeness levels add forms. “To eat” can be 食べる, 食べます, 召し上がる or いただく depending on who is talking to whom. See casual vs polite Japanese.
• Counters and set phrases. Words like 枚 and 本, and fixed expressions like お疲れさまです, are small but essential. See numbers and counters.
• Katakana loanwords help. Thousands of words such as コーヒー and パソコン come from English, which gives English speakers a head start once they can read katakana.

Which words to learn first

A small number of words covers a large share of everyday Japanese. Start with:

• Greetings and thanks: see Japanese greetings and thank you and sorry.
• Common verbs: する、ある、いる、行く、来る、見る、食べる、言う、思う.
• Question words: 何、どこ、いつ、だれ、どう、いくら.
• Words for your own life: your job, your family, your hobbies, the foods you eat.

Personal words matter more than you might expect. You will talk about your own life far more than about the topics in a generic word list.

Recognising vs using

Most learners recognise two or three times as many words as they can use in conversation. To move a word from “I’ve seen it” to “I can say it”, you need to use it out loud in a sentence, several times, spread over days. Spaced repetition flashcards help you remember; speaking practice makes the words come out when you need them. See flashcards and spaced repetition and JLPT vocabulary tips.

How fast can you learn new words?

Ten new words a day, reviewed properly, is about 3,600 in a year, which is enough for comfortable everyday conversation. Many busy adults do five a day and still make steady progress. Consistency beats bursts. Our weekly study routine for busy adults shows how to fit it in.

How Hanabuddies can help

Our native Japanese tutors pick vocabulary around your goal, whether that is a trip, the JLPT or work, then have you use the new words in conversation straight away so they stick. Lessons are online, one-to-one or in small groups.