Vocabulary and CEFR levels: FAQ
Plain answers to what people ask about how many words a language takes, level by level. The numbers come from Milton and Alexiou's test bands and Nation's word-family estimates, presented as ranges, not gospel, with the counting units spelled out. Each answer links to the fuller version.
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How many words do you need at each level?
- How many words for each CEFR level? The full A1 to C2 table: research test scores, word families, and popular benchmarks side by side.
- How many words does an A1 speaker know? About 120 word families in the research; about 500 words as a practical starting target.
- How many words does an A2 speaker know? A few hundred word families, enough for routine shopping, travel, and simple exchanges.
- How many words does a B1 speaker know? About 1,000 to 2,000 word families, enough to keep everyday conversations moving.
- How many words does a B2 speaker know? About 4,000 to 5,000 word families, general conversation without constant searching.
- How many words does a C1 speaker know? About 5,000 to 6,000 word families in Nation's mapping, with 8,000 as the practical reading target.
- How many words does a C2 speaker know? About 7,000 to 9,000 word families, expert use, still not native-sized.
Which words matter more than how many
The point behind all these numbers is that which words you learn matters more than how many. A small core of high-frequency word families does most of the work in real speech at every level. For a neutral primer on what each level means, the Council of Europe's CEFR level descriptions are the source.
"Everyone wants the magic number. The honest answer is a few thousand of the right words, heard often enough to stick. Pick those and the count takes care of itself."
Frequently asked questions
How many words do you need to be fluent?
About 2,000 to 3,000 common word families to follow everyday speech, and roughly 4,000 to 5,000 for the conversational fluency people usually mean by B2. See how many words a B2 speaker knows.
Why does every source give a different number?
Because studies count different units: word families, lemmas, or individual words. One family is roughly 1.6 to 2 individual words, so the same vocabulary produces very different totals. Each level page above breaks down the units.
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