The French colonialism in Morocco(1912-1956) contributed to influencing the class structure in society, and the state worked through its development policies after independence to erase class differences and fill the void that may be formed by the absence of a middle class capable of occupying its part in this class structure in order to avoid its collapse, and to the fifties of the twentieth century. The social mobility did not find what it deals with as a problematic topic, and its topic was latent in the investigations of social hierarchy and hierarchy in society, and as an expressive aspect of the dynamism of the social structure, it became one of the topics that established propositions that answered problems among sociologists of the characteristics of the social or class structure in society. This research deals as a problematic contribution of social mobility in expanding the social base of the middle class in Morocco by knowing the channels set by the state through its policies to bring about social advancement and the integration of individuals within this class. and members of the liberal professions.

Central, capitalism, social mobility.

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