How many Google users are there?

Around 90 million per day.

There are around 90 million unique global visitors to Google each day from 2006-2007. This is according to a report by Duncan Riley published in TechCrunch on December 22, 2007 based on ComScore data. Alexa reports that from January to March 2010 42.26% of global internet users visit google.com. Assuming a world internet user base of about 1 billion that’â„¢s equivalent to roughly 422.6 million non-unique visits to Google each day.