Final answer:
The main idea of the paragraph is that soccer is a popular worldwide sport.
Step-by-step explanation:
The main idea of the paragraph is that soccer is a popular worldwide sport. It is played in over 200 countries by over 250 million people, both men and women. The paragraph also mentions that soccer has been part of the Olympic games, but that is not the main idea of the paragraph. It also mentions that soccer is also known as football in some countries and that it is played by men and women, but those are not the main ideas either.