Your total vocabulary size is estimated to be:
This is the estimated number of entries in a standard dictionary for which you know at least one definition.
David Ing’s score on Test Your Vocabulary.
That’s more than the average person, and in the range of the typical college attendee. See “New results for English speakers” | July 25, 2011 | testyourvocab.com at http://testyourvocab.com/blog/2011-07-25-New-results-for-native-speakers.php#mainchartNative