The interdependence between the economy and politics is particularly visible during economic crises. The subject of research is the impact of the economic crisis in Spain after 2008 on its political system. And the main aim is to answer the question: what factor had the most important impact on the functioning of the state’s political system. Authors assume that it was the amendment of the Art. 135 of the state constitution. The theoretical framework of the study is the output on the relationship between the economy and politics. The empirical research was based on the analysis of changes in the economic situation in Spain after 2008, and on the analysis of the evolution of the Spanish political system. Obtained results may be useful in the context of the impact of changes in the economic situation caused by the SARS-CoV-2 pandemic and the war in Ukraine.