There are a lot of people. There is no specific number, as anyone could start playing tennis any second.
the average amount of people who have played tennis in there life in the UK is 5 million 400 thousand 3 quarters of them own a racquet you do the maths
he started playing tennis at the age of 5
two
Two for playing singles Tennis and four for pairs.
Because many of people all around of world like to play and watch tennis. It is good for health and soul. Also professional tennis tournaments are playing in most of countries and contribute to popularity of this sport.
You burn about 5.3 calories per minute playing Wii Tennis.
There are way to many regulations to list along with the regulations change according to age group playing in tournaments through the USTA which is the United States Tennis Association and if you go to there website you can see all the regulations along there is a book on all the tennis regulations.
she had too many injuries
According to Wikipedia (refer to the link, below), Prince Edward, the Duke of Kent, enjoys playing and watching tennis, as do many other people. He is the President of the All England Lawn Tennis and Croquet Club (AELTC), which he inherited.
In 2012 (figures issued in late 2013 by the French ministry of sports), the French Tennis Federation had 1,111,136 registered players. In number of registered players, tennis is second only to football in France. 30% of the registered players were women. Many people who are playing tennis only occasionally are not registered.
There are many thousands of people that play tennis in the world. Some people play professionally while others play just for fun.