Test your vocabulary

www.testyourvocab.com

www.shanbay.com/vocabtest/welcome/

http://my.vocabularysize.com/

 

According to the last website:

How large a vocabulary is needed for reading and listening?

Skill	Size estimate	Notes
Reading	8,000 - 9,000 word families	Nation (2006)
Listening	6,000 - 7,000 word families	Nation (2006)
Native speaker	20,000 word families	Goulden, Nation, & Read (1990) Zechmeister, Chronis, Cull, D’Anna, & Healy (1995)