It depends on the qualifications and world rankings.Usually china and USA send in maximum athletes. India has 81
293 athletes for London Olympics.
Total of 10,820 athletes competed at the 2012 London Olympics.
The country was represented by 184 athletes, competing in sixteen sports.
The 2012 Summer Olympics in London had a total of 10,820 athletes representing 204 nations.
In London Olympics 2012 from Romania were 104 athletes.
539
2
396
Only 103 athletes from Romania at London 2012 Olympics; see the link below for many details.
530 US athletes will be participating at the 2012 London Olympics.
10,820 athletes from 204 countries competed in the 2012 London Olympics.
205 countries participated in the 2012 London Olympics according to the official London Olympics web site with a total of 10,961 athletes. See related links below for the list of countries and number of athletes from each country.