Costa Rica competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fifteenth appearance at the Summer Olympics, since its debut in 1936.
Panama competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventeenth appearance at the Summer Olympics, since its debut in 1928.
Israel competed at the 2020 Summer Olympics in Tokyo with its largest contingent to date − a delegation of 90 athletes, 55 men and 35 women, who competed in 15 different sports. This was almost double the previous number of 47 athletes who represented Israel at the 2016 Rio de Janeiro Olympics. The Games were also Israel's most successful to date, winning four medals, including two gold. At Tokyo, Israel marked its Olympic debuts in surfing, baseball, archery, equestrian and marathon swimming.
Argentina 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 1900, Argentine athletes have competed in every edition of the Summer Olympic Games, except the 1904 Summer Olympics in St. Louis, the 1912 Summer Olympics in Stockholm, and the 1980 Summer Olympics in Moscow because of their support for the United States-led boycott.
Peru 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 1936, Peruvian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1952 Summer Olympics in Helsinki.
France 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. French athletes have appeared in every Summer Olympic Games of the modern era, alongside Australia, Great Britain, Greece, and Switzerland. As Paris will host the 2024 Summer Olympics, France was the penultimate nation to enter the stadium, alongside the United States which will host the 2028 Summer Olympics in Los Angeles, before the host country Japan during the parade of nations at the opening ceremony. Additionally, a French segment was performed in Paris and some pre-recorded events at the closing ceremony as performers did not travel to Tokyo due to the travel restrictions related to the pandemic. However, Paris mayor Anne Hidalgo was the only delegation present at the ceremony.
Portugal competed at the 2020 Summer Olympics in Tokyo, from 23 July to 8 August 2021. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed because of the COVID-19 pandemic. Portuguese athletes have appeared in every edition of the Summer Olympic Games since the nation's debut in 1912.
Mexico 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. It was the nation's twenty-fourth appearance at the Summer Olympics. Athletes were given priority for vaccines in March.
Chile 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 debut in 1896, Chilean athletes have appeared in all but five editions of the Summer Olympics of the modern era. Chile did not attend the 1932 Summer Olympics in Los Angeles at the period of the worldwide Great Depression and was also part of the US-led boycott, when Moscow hosted the 1980 Summer Olympics.
Cuba 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. The Cuban delegation was their smallest since 1964, which coincidentally was also in Tokyo. It was the nation's twenty-first appearance at the Summer Olympics. Cuba improved on its 2016 result, by winning 7 gold and 15 total medals after 5 and 11 in Rio.
Colombia 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. It was the nation's twentieth appearance at the Summer Olympics, with the exception of Helsinki 1952.
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 partial support of the US-led boycott.
Ecuador 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. It was the nation's fifteenth appearance at the Summer Olympics, and its most successful to date. The country won its third, fourth, and fifth ever medals, two golds and one silver, respectively, during the games.
Azerbaijan 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. It was the nation's seventh consecutive appearance at the Summer Olympics in the post-Soviet era.
The Dominican Republic 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. It was the nation's fifteenth consecutive appearance at the Summer Olympics. The Dominican Republic left the Summer Olympics with 3 silver medals and 2 bronze medals with moderate success, but not able to secure a single gold medal in any of the events.
The men's shortboard competition at the 2020 Summer Olympics in Tokyo was held from 25 to 27 July at the Shidashita Beach, or "Shida", located about 40 miles (64 km) outside of Tokyo in Chiba.
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.
Ethiopia 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. The country's participation in Tokyo marked its fourteenth appearance at the Summer Olympics since its debut in 1956, having missed three occasions due to joining the African (1976), Soviet (1984), and North Korean (1988) boycotts. Ethiopia left Tokyo with a total of four medals, a decrease from its previous overall tally at the 2016 Summer Olympics in Rio de Janeiro and its lowest medal count since 1996.
Luciana Alvarado Reid is a Costa Rican artistic gymnast who represented her country at the 2019 World Championships and the 2019 Pan American Games. She took the silver medal in the all-around at the 2021 Pan American Championships, earning a continental berth for the 2020 Summer Olympics, and also became Pan American champion on the balance beam. She is the first Costa Rican gymnast to qualify to an Olympic Games.
Leilani McGonagle is a Costa Rican professional surfer who competes in the World Surf League. Her brother Noe Mar McGonagle is also a professional surfer.
