EN
The aim of the article is the characteristics of the process of political rivalry and the process of consolidation of democracy in Poland in the past 20 years. The main research question posed in the article: political rivalry was the main determinant affecting the process of consolidation of democracy in Poland. The electoral and parliamentary coalitions are characterized. The article has a interdisciplinary research problem will be analysed on a basis of politologie, be a different sociology and philosophies. Attempt to answer the research question, can make a significant contribution to the further exploration of the process of consolidation of democracy in Poland.