Rio summer Olympics 2016, a major international multi-sport event begins on 5th august and ends on 21st august. More than 10,500 athletes from 206 countries are participating in this mega event.
186 National Olympic Committees have qualified at least one athlete. A team of Refugee Olympic Athletes will also participate.
As host nation, Brazil has received automatic entry for some sports including in all cycling disciplines and six places for weightlifting events. The first three nations to qualify athletes for the Games were Germany, Great Britain and the Netherlands who each qualified four athletes for the team dressage by winning medals in the team event at the 2014 FEI World Equestrian Games.
South Sudan and Kosovo are expecting to debut in the Olympic Games.
Kuwait was banned in October 2015 for the second time in five years over government interference in the country's Olympic committee.
Russia was provisionally suspended in November 2015 from all international athletic (track and field) competitions, including the 2016 Summer Olympics, by the IAAF following aWorld Anti-Doping Agency report into doping in athletics.
Due to the European migrant crisis and for other reasons, the IOC will allow athletes to compete as Independent Olympians under the Olympic Flag. In the previous Olympic Games, refugees were ineligible to compete due to their inability to represent their home NOCs.On 2 March 2016, the IOC finalized plans for a specific team of Refugee Olympic Athletes (ROA); out of 43 refugee athletes deemed potentially eligible, 10 will be chosen to form the team
Let us take a look at all the countries participating in Rio Olympics 2016
Diving (8)
Swimming (34)
Synchronized swimming (2)
Water polo (2)
Archery (4)
Athletics (47)
Basketball (2)
Boxing (13)
Canoeing
Cycling
Equestrian
Fencing (10)
Field hockey (2)
Football (2)
Golf (2)
Gymnastics
Handball (2)
Judo (14)
Modern pentathlon (2)
Rowing (14)
Rugby sevens (2)
Sailing (10)
Shooting (15)
Table tennis (4)
Taekwondo (8)
Tennis (5)
Triathlon (2)
Volleyball
Weightlifting (15)
Wrestling