🎓 Education
Is my vocabulary big enough?
Estimate your vocabulary size and compare to age norms.
Test at testyourvocab.com, then enter your result here
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📱TechHow many words does the average person know?
The average adult English native speaker knows about 20,000–35,000 word families (TestYourVocab.com, 100M+ test results). A "word family" includes all forms of a word — so "run/runs/running/ran" counts as one. Vocabulary grows throughout life, peaking in the 60s.
Average vocabulary size by age (English native speakers)
- 10–14: 10,000–15,000 words
- 15–19: 15,000–20,000 words
- 20–29: 22,000–28,000 words
- 30–39: 25,000–35,000 words
- 40–49: 28,000–38,000 words
- 50+: 30,000–42,000 words
Vocabulary building
Adults learn about 1 new word per day on average, mainly through reading. Avid readers have vocabularies 50%+ larger than non-readers. Non-native English speakers who are proficient typically know 15,000–20,000 word families.