Soccer is a team sport so you have to communicate with your team. You might also get to make new friends throughout the game. Soccer also has four percent of the world's population playing soccer.
Now my opinions. Soccer seems like the most easiest sport because all you have to do is kick the ball into the goal. Whenever I play soccer, I always feel happy when someone passes me the ball so then I feel like I'm contributing. Those are my reasons for soccer being my favourite sport.