The dataset provides the Supplementary data for the paper "Cascading socio-economic and financial impacts of the Russia-Ukraine war differ across sectors and regions" (forthcoming). Each tab in the Excel file contains the underlying data for the figure described by the tab name, as follows: Figure 3: underlying data for Figure 3. Figure 5: underlying data for Figure 5. Supplementary Table 2: data portrayed in Supplementary Table 2. Supplementary Figure 13: underlying data for Supplementary Figure 13. Supplementary Figure 14: trend parameters for curves portayed in Supplementary Figure 14.