This can depend on the criteria. Is it according to how many in the world play a particular sport or how many people follow the sport. Based on this website, it is no surprise that Soccer is the most popular sport in the world. Soccer is a team sport that is played in almost every country in the world. Soccer is also referred to as “Football” in many places in the world and has a similar pronunciation to football (futbol) in many languages. Makes sense, soccer is played with the feet primarily.The second most popular sport is Cricket believe it or not, followed by Field Hockey at Third.