Different sports are popular in different countries. (Eg. Badminton in Japan, Basketball in USA, Rowing in Great Britian.) But Athletics is a sport popular in most countries.
curling
Freestyle Skiing - Aerials
because it is a popular sport! and most sports in the olympic games are popular
Swimming, basketball and many more sports.
The Olympics are comprised of many different sports. Based upon participation the sport that is the most popular is cycling.
tennis. Team Handball (Olympic Gold!) soccer (football)
It was the ancestor of the modern handball what is played in sports halls. Field handball was played on a sports field, like football (soccer). It was olympic in 1936. But with the time hall handball got more and more popular and in 1972 this type of handball got olympic. In 1966 was the last world chamionship in field handball.
The Olympic demonstration sports can be found by using the link to the Wikipedia article on Olympic Sports.
What Olympic sports have the most medal opportunities? What Olympic sports have the most medal opportunities?
Gymnastics Rowing And lots more
How do u swim for olympic sports? I dont know
football