This final paper primarily focuses on the economic crisis and its division. Following the mentioned chapter, the third chapter discusses the population and economic development of the Republic of Croatia. In addition to the text, the data are graphically demonstrated so that the average age between 1953 up until the latest population census is clearly shown. Furthermore, the historical development of the population of the Republic of Croatia is discussed, while the population movement is also graphically demonstrated. The next chapter discusses the natural resources that are necessary for life, as well as on the area of the country, and it also mentions three geographical units of the Republic of Croatia. Climate has an important role in this part of the final paper, as well as the division of the Republic of Croatia according to climatic conditions. Natural social wealth is the subtitle of the second chapter, which will discuss the factors which affect the quantity of material goods that can be produced in a given period. Furthermore, this chapter also discusses economic relations with foreign countries. The next sub-chapter focuses on the socioeconomic order in which capitalism and socialism are discussed. The final chapter, the chapter before the conclusion, discusses very important role of economic structure in the economic development in the Republic of Croatia. It is mentioned that population growth is necessary for economic growth, even though the population has declined since 1991. Also, apart from population growth, the branch of agriculture is also important for the development.