Which language has the largest vocabulary?

The language with the largest vocabulary in the world is English with  1,025,109.8 words. This is the estimate provided by Global Language Monitor on January 1, 2014. The English language officially surpassed the millionth word threshold on June 10, 2009 at 10:22 a.m. (GMT). The millionth word was the controversial term “Web 2.0”. Currently, a new word is created every 98 minutes, equivalent to 14.7 words a day.

Source: http://www.languagemonitor.com/category/no-of-words/

The language with the second largest vocabulary is Cantonese, with approximately 500,000 words.

And how many words are there in the romance languages?