Native Speakers Know 11,300 Words by Age 12; Advanced Learners Still Fall Short at 9,700
randal_olson · x · 2026-10-14
Citing vocabulary research, randalolson notes native English speakers know about 11,300 words by age 12 and 21,600 by age 60, while advanced (C1) learners sit at around 9,700 — still short of a typical native-speaking 12-year-old.
Related event: 46,000-test study: native English speakers reach 21,600 words by age 60(2 posts)→
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