This paper analyzes theoretical issues of relationship between unemployment, poverty and crime in sustainable development. The concepts of these socio-economical categories were analyzed and theoretical aspects of relationship between unemployment, poverty and crime were disclosed. It was found that unemployment, poverty and crime, as distinct socio-economical process is not widely considered in the literature. More often the specific relationships between two of the variables are studied. The evaluation of unemployment and poverty, unemployment and crime, crime and poverty showed that all three components are linked together through a negative connotation with socio-economical consequences, which further reinforces the ignoring of principles of sustainable development in the socio-economical policy of the country.