Google Statistics (2016) :

The source for most of these stats is Google themselves. This list was initially created in 2016 so information may be out of date.

Users

Google processes over 40,000 search queries every second on average, which translates to over 3.5 billion searches per day and 1.2 trillion searches per year worldwide
80% of consumers start by researching online when looking for information about a local business.
50-58% of all Google Searchs are on mobile devices.
76% of mobile shoppers have changed their mind about which retailer or brand to purchase from after Googling.
64% of smartphone shoppers use search before heading into stores.
76% of people who search for something nearby on their smartphone visit a related business within a day, and 28% of those searches result in a purchase
Near me searches spike 55% during Christmas and New Years.
33%-53% Of search traffic goes to the 1st search result
People search the web for lawyers more often year over year.

People are 5 times more likely to leave a site if it isn’t mobile-friendly.
50% of website traffic is coming via mobile.
53% of mobile site visits are abandoned if pages take longer than 3 seconds to load.
The Washington Post observed a 23% increase in returning users from mobile search from adopting AMP. (And a 88% decrease in article loading time)
68% of smartphone users check phones within 15 minutes of waking
More complex pages hurt conversion rates
- Fewer images = more conversions
- Slow pages = less conversions
eBay is going full AMP

40% of users abandon a site that takes more than 3 seconds to load.
25% higher viewability observed for sites that loaded in 5 sec vs 19 seconds.
Mobile sites that load within 5 seconds vs those that load in 19 seconds earn up to 2x more revenue
3 out of 4 mobile sites take longer than 10 seconds to load

In September 2015 Google shared that they’d seen a 180% increase in sites getting hacked for spam compared to the previous year.

Hours watched up 60% y/y
47% of the U.S. population say that YouTube helps them when making a decision about something to buy at least once a month
People who see Google Video ads have 2x better ad recall than those who see TV ads alone.

67% of users will switch to another site if it takes to many steps to get desired information.