apparently average American Lexical Facts â Economist Average adult vocabulary is 20,000-35,000 words. total number of words vocabulary of 20-35,000 knows somewhere between 20,000 and 35,000 words most adults know between 10,000 and 20,000 of those Economist native English speaker Economist.com The Economist fiction readers may know more words than others The Economist Average adult vocabulary is 20,000-35,000 words. the Economist looked at some data from TestYourVocab.com 20,000-35,000 words English speakers have a written vocabulary total number of words most adults know apparently The Economist words average American The Economist Economist.com Lexical Facts, The Economist Economist.com apparently between 10,000 and 20,000 of those Economist.com English speakers have a written vocabulary between 10,000 and 20,000 of those Average adult vocabulary is 20,000-35,000 words. average educated person may know 20,000 – 35,000 words between 10,000 and 20,000 of those apparently apparently total number of words between 10,000 and 20,000 of those between 10,000 and 20,000 of those in the thousands words total number of words a fraction http://www.economist.com/…n/2013/05/vocabulary-size Economist typical around 20,000 – 30,000 words apparently apparently Economist.com Lexical facts Economist.com Economist.com Economist.com