Criminology is defined as, the study of the processes of making laws, breaking laws, and reacting towards the breaking of laws. The purpose of gathering crime statistics helps the local, state, and federal agencies to see the different frequencies in crime, with the aids of tables, graphs, and formulated data. Within a civilized state, the government remains accountable for protecting its citizens and providing a means of controlling the levels of crime throughout its region. Two systems that are used in measuring crime in the United States are the Uniform Crime Report (UCR) and the National Incident-Based Reporting System (NIBRS). The importance of using these crime measurements is to aptly calculate in areas where crimes is increasing or declining. It is an effective measure of crime deterrent in addition to, police force that makes a difference in areas where crime is exponentially high. Within this essay, it will provide an analytical comparison of the two crime measurements UCR and NIBRS, with the aid of the research, journal publication, and government agency resources. The primary focus is to discuss and analyze each crime measurement system’s methodological procedures and implications.