The championship features 120 junior athletes and 533 senior athletes representing 72 countries from around the world. Participating countries include Algeria, Armenia, Australia, Azerbaijan, Belarus, Brazil, Bulgaria, Chile, China, Ivory Coast, Cameroon, Colombia, Cuba, Cyprus, Dominican Republic, El Salvador, Spain, Finland, France, Britain, Georgia, Ghana, Greece, Guinea, Hungary, Indonesia, India, Iran, Ireland, Iraq, Italy, Jordan, Japan, Kazakhstan, Kenya, Kyrgyzstan, Korea, Saudi Arabia, Libya, Malaysia, Moldova, Mexico, Mongolia, Nigeria, Panama, Peru, Philippines, Poland, the Paralympic Refugee Team, Russia, Serbia, Slovakia, Syria, Thailand, Turkmenistan, Togo, Turkey, United Arab Emirates, Uganda, Ukraine, United States of America, Uzbekistan, Venezuela, Vietnam, Zambia, Ecuador, Laos, Morocco, Puerto Rico, Taiwan, Malta, in addition to Egypt as the host country.