In 2002, less than 100 years after their invention, there were almost 2 billion television sets in use worldwide. That is 3 televisions for every 10 people. Televisions are primarily seen as entertainment; but they are also a key channel providing information about the world, and a primary means of advertising goods and services.
The most televisions sets in use are in China, at 454 million. There are 35 televisions for every 100 people there. In the United States, with the second highest television count of 273 million televisions, there are 94 televisions for every 100 people. Some homes have televisions in most rooms. 52% of people live in territories with 1 or more television to every 4 people.