Cristiano Ronaldo has become the first person to achieve 600 million followers on Instagram. Holding the title of the world's highest-paid athlete according to Forbes' list, Ronaldo's stunning earning capacity is visible as his each post generates $3.23 million. Lionel Messi, the renowned World Cup champion from Argentina, is his top rival on the list with his postings worth almost $2.6 million each. Ronaldo and Messi are the only athletes to exceed celebrities such as Selena Gomez, Kylie Jenner, and Dwayne "The Rock" Johnson. Ronaldo celebrated becoming the first male footballer to complete 200 international appearances in June.