With over 500m followers on Instagram, Cristiano Ronaldo’s account earns the most on average per sponsored post on Instagram, around $2.4m per post. The star footballer’s social influence is so high that a $4bn dip in Coca-Cola market value was accredited to him after he snubbed a Coke in favour of water in a press conference. Looking at the Coca-Cola market value over time, however, shows that its value was already in decline before the press conference.

Sources: one, two, three