Nature and characteristics of global broadcasting systems is described and different classifications of broadcasting systems by different persons alongwith broadcasting systems of different developing countries are discussed. Six arguments for greater control over broadcasting media are refered in the article. It is concluded that in almost all developing countries the broadcasting systems functions under direct state control or under the administration of public corporation. The introduction of the public corporation mechanism in broadcasting is becoming popular and may be described as an attempt to gain benefits from the experiences of developed countries in the field of broadcasting, as in the case of industry.