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In this article we will discuss the main trends of development, such as Models of development in developed countries and development models in developing countries. Where we offered in the first model a several directions, including: updated evolutionary direction, the direction of models and indicators, the psychological trend, the trend trickle-down, and then we talked about classical Marxism and spent a development, then spent the updated Marxism and development, then we talked about the development in developing countries, as a model for America Latin, and the China model, and then combine the two models in the Indian experience, and then we talked about the development in Algeria in various stage are, whether pre-political and economic openness stage or opening to the capitalist model of the effects of this new openness to social and economic development.