The 2020+ pandemic was not only the most serious global health crisis since the Spanish flu of 1918 but also one of the most economically expensive pandemics on a global scale. The scale and dynamics of the spread of the COVID-19 pandemic caused by a coronavirus entailed serious disturbances in social and economic life. Chapter 2 aims to analyze and assess the impact of the COVID-19 pandemic on the differentiation of selected macroeconomic aggregates in the European Union economies. The study examined 27 European countries that were members of the European Union at the time of the announcement of the pandemic by the World Health Organization. The following macro-indicators were analyzed and assessed: gross domestic product (GDP) per capita,...