Saudi Arabia competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's tenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow, because of its partial support to the United States boycott.
Belgium competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1900, Belgian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1904 Summer Olympics in St. Louis. The Belgian team consisted of 108 athletes, 70 men and 38 women, across nineteen sports.
Chile competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016.
Morocco competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth appearance at the Summer Olympics.
Thailand competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's official debut in 1952, Thai athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its support of the US-led boycott.
Morocco competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. The 2020 Games were the nation's fifteenth appearance at the Summer Olympics.
Australia competed at the 2024 Summer Olympics at Paris from 26 July to 11 August 2024. Australian athletes have appeared in every Summer Olympic Games of the modern era, alongside France, Great Britain, Greece, and Switzerland. As Brisbane will stage the 2032 Summer Olympics, Australia and the United States, the next nation to host the 2028 Summer Olympics in Los Angeles, marched before the homebound French team entering the Place du Trocadéro during the parade of nations segment of the opening ceremony.
The equestrian events at the 2024 Summer Olympics in Paris were run from 27 July to 6 August at the Palace of Versailles, featuring 200 riders across three disciplines for both individual and team competitions, namely dressage, eventing, and jumping. Men and women compete together on equal terms.
Venezuela competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twentieth consecutive appearance at the Summer Olympics.
Switzerland competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Swiss athletes have appeared in every Summer Olympic Games edition of the modern era, except for a partial boycott of Melbourne 1956 in protest of the Soviet invasion of Hungary.
Ecuador competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's sixteenth appearance at the Summer Olympics and, in terms of number of medals, its most successful one.
Kingdom of Thailand competed at the 2024 Summer Olympics in Paris. It is taking place from 26 July to 11 August 2024. It signified the nation's participation in every edition of the Summer Olympics, since the official debut at 1952, except for the 1980 Summer Olympics in Moscow, because of its support of the US-led boycott.
Austria competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-ninth appearance at the Summer Olympics, except for Antwerp 1920, due to the nation's role in World War I.
Portugal competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the 26th consecutive participation of the nation in the Summer Olympic Games since their debut at the 1912 Summer Olympics in Stockholm.
Eritrea competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's seventh consecutive appearance at the Summer Olympics.
United Arab Emirates competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eleventh consecutive appearance at the Summer Olympics.
Burkina Faso competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Although the nation made its official debut in Munich 1972 under the name Upper Volta, Burkinabé athletes have appeared in every edition of the Summer Olympics from 1988 onwards, except for three occasions, Montreal 1976, as the nation support for the African led boycott, Moscow 1980, as the nation's support for US led boycott, and LA 1984, as the nation's support for USSR led boycott.
Luxembourg competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It signified the nation's participation at the Summer Olympics in all editions, since the official debut in 1900, except for three occasions: St. Louis 1904, London 1908, and Los Angeles 1932 at the period of the worldwide Great Depression.
Rwanda competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eleventh consecutive appearance at the Summer Olympics, since the nation's official debut at 1984.
Papua New Guinea competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eleventh consecutive appearance at the Summer Olympics.
