The purpose of the article is to identify the factors affecting organized crime and to define aspects of tackling it. The methods of statistical analysis, factor analysis, hypothetical-deductive method, correlation method, generalization method and analogue method were used. The article identified countries with high and low levels of organized crime. Impact of economic development and corruption on the level of organized crime was proved insignificant. Legal factor is not the key aspect of tackling organized crime. Legal approach in tackling organized crime includes: adoption of an international normative legal acts on mutual assistance; development and signing of international agreements on cooperation; development of national and international strategies. The organizational approach implies: international cooperation; decentralization of public oversight authorities and law enforcement agencies in the system of control; development of a program of public involvement; partnership building between state and public institutions.