Main evidence and numbers
| Age | Estimated median number of word root forms wey dem recognize | Scope |
|---|---|---|
| 20 | 42,000 | People wey speak American English as dem first language. |
| 60 | 48,200 | Na the same study and counting method. |
Source: table of original estimates. The complete data get 221,268 people; the study no provide the exact number of people for each age group together with the estimates.
Wetin dey affect am?
Age and education affect how well people recognize words. The authors suggest say plenty years of contact with language fit explain the pattern. Dem compare different generations, so the pattern no show how fast one person dey learn. Study
Try the free test wey connect to this one
Test for how many words you know
Test yourself: word knowledge (English). When you dey compare results, notice the language of the test and the instructions.
Common questions
Everybody dey gain more words at the same speed?
The study no show how fast one person dey learn. The numbers na estimates for groups of people.
If I recognize word, e mean say I fit use am correctly?
No. To know say word dey exist different from to explain am or use am.
I fit compare total number of words across languages?
Different word lists and ways to count words make am hard to compare totals directly. Use evidence wey concern the language wey dem test.
Sources
Cite dis page: Word knowledge dey increase as person dey grow?. Helibrain. 2026. https://helibrain.com/pcm/answers/does-vocabulary-increase-with-age. CC BY 4.0.
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