The aim of this paper is to present the development of general government debt in two Eurozone countries: Ireland and Spain that suffered from serious imbalance in public finance during the last crisis. Prior to the crisis, both economies were developing well against the background of the whole Eurozone and had a relatively good situation in public finance. The genesis of the crisis was also quite similar in these two countries. The similarity of factors influencing the crisis and the pre-crisis high development of both economies were among the reasons for selection of these two countries to be compared. Thus, the article focuses on the outbreak of the crisis and the fiscal consolidation period of 2008-2015, however the pre-crisis analysis ...