The paper scrutinizes the patterns and problems of the evolution of national egoism. The author highlights the impact of national egoism and its more dangerous forms (nationalism, racism, chauvinism) on the formation of extremist views and beliefs. The paper also explains interrelationship between ethnocorruption and national egoism, which represent effective tools of geopolitical influence. In this regard, the author points out the existence of a threat emanating from ethnic corruption and national egoism for the national security of the Russian Federation. The author also notes the importance and necessity of identifying criminological and social patterns affecting the emergence and development of national extremism in the Russian Federation. National egoism arises in a political and socio-economic formation where egoism is not condemned by the society or the state, where there are no ideas of internationalism, there is no common national ideology. Moreover, national egoism is a response, a protective reaction to various forms of discrimination on national grounds. Ethnocorruption features are similar to national egoism and they contribute to the transformation of national egoism into national extremism. Developing national egoism can transform into nationalism. Developing nationalism is able to transform into national extremism, etc.The paper also focuses on the main socio-economic and regulatory reasons, conditions and circumstances that influence the emergence and development of national egoism and ethnic corruption.An irrational manifestation of national egoism both in society and in various institutions of power is a criminogenic factor that affects negatively not only anti-corruption security, but also the strengthening of national unity, territorial integrity, inviolability of the foundations of the constitutional system, economic and national sovereignty of the Russian Federation.