A sport consists of a physical and mentally competitive activity carried out with a recreational purpose for competition, for self-enjoyment, to attain excellence, for the development of a skill, or some combination of these. A sport has physical activity, side by side competition, self-motivation and a scoring system. The difference of purpose is what characterises sport, combined with the notion of individual (or team) skill or prowess.

History
The development of sports throughout history teaches us a great deal about social changes, and about the nature of sport itself.

There are many modern discoveries in France, Africa, and Australia of cave art (see, for example, Lascaux) from prehistory which provide evidence of ritual ceremonial behaviour. Some of these sources date from over 30,000 years ago, as established by carbon dating. Although there is scant direct evidence of sport from these sources, it is reasonable to extrapolate that there was some activity at these times resembling sport.

There are artifacts and structures which suggest that Chinese people engaged in activities which meet our definition of sport as early as 4000 BC. Gymnastics appears to have been a popular sport in China's past. Monuments to the Pharaohs indicate that a range of sports were well developed and regulated several thousands of years ago, including swimming and fishing. Other sports included javelin throwing, high jump, and wrestling. Ancient Persian sports such as the traditional Iranian martial art of Zourkhaneh had a close connection to the warfare skills. Among other sports which originate in Persia are polo and jousting.

A wide range of sports were already established at the time of the Ancient Greece. Wrestling, running, boxing, javelin, discus throwing, and chariot racing were prevalent. This suggests that the military culture of Greece was an influence on the development of its sports and vice versa. The Olympic Games were held every four years in Ancient Greece, at a small village in Pelopponisos called Olympia.

Sport has been increasingly organised and regulated from the time of the Ancient Olympics up to the present century. Activities necessary for food and survival became regulated activities done for pleasure or competition on an increasing scale, for example hunting, fishing, horticulture. The Industrial Revolution and mass production brought increased leisure which allowed increases in spectator sports, less elitism in sports, and greater accessibility. These trends continued with the advent of mass media and global communication. Professionalism became prevalent, further adding to the increase in sport's popularity. Not only has professionalism helped increase the popularity of sports, but additionally the need to have fun and take a break from a hectic workday or to relieve unwanted stress, as with any profession. Soccer is the most popular sport of all.