Résumé:
The economies of countries that are built on one resource, which is oil, like the Algerian economy, must get rid of absolute dependence on it as a basic resource for economic development. This standard study aims to assess and know the reality of economic diversification in Algeria during the time period (2000-2020). Multiple policies and strategies, to activate economic diversification in various economic sectors. Nevertheless, the national economy is still a dependent economy. Despite the natural and human resources it possesses that qualify it to achieve great economic development, and in this context the state must adopt an integrated and more effective strategy for the post-oil economy as a general framework to move the development process in Algeria to a new stage of growth and development, especially after the collapse of oil prices.