I'm not entirely sure that info (% of traffic) is possible for wikipedia to obtain accurately. There are however 3.3 billion people in the world estimated to h

I'm not entirely sure that info (% of traffic) is possible for wikipedia to obtain accurately. There are however 3.3 billion people in the world estimated to have internet. Assuming that 90% of internet traffic is autonomous, each person who has internet visits wikipedia on average roughly 30 times a year. In reality, it's estimated that closer to 60% of the traffic is autonomous; which means an average of 121 visits per year per person with internet. Now we can't claim with 100% certainty the exact numbers (although I'm sure some statisticians could find a reasonable range with 99.95 certainty), but it's still pretty difficult to say that 1 trillion doesn't mean much.