A new vocabulary test suggests native English-speaking Americans know an average of at least 42,000 words by the time they turn 20 years old.

Developing good reading habits during childhood significantly benefits vocabulary in later life, according to a new study. Having analysed vocabulary test scores of 9,400 people at the ages of 10 ...

Vocabulary accounts for 50 percent of a speller’s total score on the test, which determines who goes to the semifinal round of the annual contest.

Today’s topic is vocabulary. Can you ace the quiz and beat the average? Good luck! If this is your first time playing, read the rules here.

The study found the adults with the biggest vocabularies were graduates of Russell Group of sought-after universities, scoring an average of 81% in the age 42 vocabulary test.

Our statistical analysis took account of differences in people’s socio-economic backgrounds and in their vocabulary test scores at the ages of five, ten and 16.

Adult test-taker vocabulary growth basically stops at middle age The most common vocabulary size for foreign test-takers is 4,500 words ...