at least 1,000
Historically, Australia has excelled most in track & field and the sports involving water: swimming, rowing, sailing, canoeing/kayaking, and diving. The Australians also do well in cycling and equestrian events. At the 2012 Olympics in London, Australia won medals in all of these sports except equestrian.
No there 10 athletes did not win any medals in the 7 sports they competed in.
23The Australian Olympic Committee sent a total of 410 athletes to the Games to compete in 23 sports. Australia left London with a total of 35 medals (7 gold, 16 silver, and 12 bronze),
Australia was represented by a team of 410 athletes and competed in 23 sports winning 9 gold 16 silver and 12 bronze medals
There were 26 different Sports and a total of 39 disciplines with 302 events for the 962 medals awarded
Kazakhstan competed at the 2012 Summer Olympics in London, United Kingdom by sending a team of 115 athletes to compete in 20 sports. They won 13 medals including 7 Gold Medals
France won a total of 34 medals - 11 gold, 11 silver, and 12 bronze Most of these medals were awarded to the athletes in judo, cycling and swimming but they won medals in 13 sports Including a Gold Medal for Handball and 2 Gold Medals for Canoeing events.
The sports that Australia did not compete in at the 2008 Summer Olympics were handball and baseball.