This thesis deals with unemployment in the Republic of Croatia from 2004 to 2016. Unemployment is one of the main determinants of the macroeconomic development of a country. It is a condition in which part of the able-bodied members of society can not hire appropriate to their skills and qualifications. The aim of this paper is to analyze unemployment as one of the key macroeconomic problems. This paper shows the types of unemployment, the ways in which unemployment can be measured, the problems which unemployment brings to the Croatian economy and the effects that has on the whole society. The analysis of statistical data of the Croatian Employment Institute shows an insight into the movement of unemployment in Croatia from 2004 to 2016, the movement of unemployment by counties from 2004 to 2016, and the structure of unemployment by gender, age and education. After examining the statistics it is also shown the labor market situation of young people, high educated people and the situation of persons with disabilities in the labor market. Through analysis of the measures and methods for suppression unemployment and training programs for both employed and unemployed people there are shown the possible solutions of decreasing the unemployment in Croatia.