The five most popular ballroom dances worldwide are Rumba, Foxtrot, Waltz, Cha-Cha, and Swing. Dancers proficient in these five dances can dance with partners from any area of the world. There are two styles of ballroom dancing – American and International. American style is danced mostly in the USA. Essentially, the Standard and Smooth categories have the very same dances, and the Latin and Rhythm classifications consist of generally the same dances.