The problem of food security is considered one of the important issues that must be taken into consideration, due to its connection to human life, the continuity of humanity, and the guarantee of its activity and productivity. This study aims to address the theoretical aspect of food security through different definitions of international organizations concerned with global food security and combating poverty and hunger. He explained its various dimensions and explained the difference in terms close to it, such as food self-sufficiency, food sovereignty, food safety and factors affecting food security.This study reviews the global food security indicators for Algeria of the year 2022