According to Alexa.com, the world's most visited website is Google.com.
A lot, just over 2.4 billion, about 1/3 of the worlds population
the answer is facebook.com
google.com
google.co.uk
WikiPedia
www.bundesregierung.de
Actually Google still is the most visited website in the world. However it has been competing with Facebook lately.
www.freewebs.com/thousand123456789
Facebook or youtube