The paper deals with the problem of unemployment in the Czech Republic in time series from 2001 until 2013. Data from a public database of the Czech Statistical Office was assessed using analysis of variance method for sorting criterion grade, age and region of significance level α= 0,05. For all sorting criteria have been adopted alternative hypothesis and a more detailed assessment was conducted scattering analysis. They were clearly differentiated by the specific diameters of unemployment among the studied sorting criteria. Tthe issue of correlation in the time series in the years 2001 - 2013 was discussed between unemployment and gross domestic product (GDP). Depending tightness studied was very high, therefore it was concluded that changes in GDP can be regarded as the cause of changes in the unemployment rate in the studied period.