Final answer:
Soccer is the most popular sport worldwide due to its global following, simplicity, and the minimal equipment required to play, making it accessible to many.
Step-by-step explanation:
Among the sports listed, soccer is the most popular sport worldwide. While sports like Aussie Rules Football and rugby have significant followings, especially in countries like Australia, soccer, also known as football in many countries, transcends national borders and is played and watched by millions across the globe. Its simplicity and the minimal equipment needed make it accessible to people from all walks of life, which contributes to its vast popularity.