In the first international study of this kind, we analyze the capital structure of 364 nongovernmental development organizations ( NGDOs ) from three different countries: Belgium, Spain, and the United Kingdom. We observe lower debt ratio values in the United Kingdom, and significant differences between countries were found by testing an econometric model with the five classical determinants of leverage, considering total debt and both long-and short-term debt. We find support for the pecking order theory, and we broadly discuss some possible reasons for the obtained differences.CAPITAL STRUCTURE REFLECTS THE MAIN fi nancing decision of organizations: choosing between equity and debt. In the nonprofi t sector, research has mainly followed previous research from the for-profi t sector, starting some decades later than in the corporate fi eld. Some limitations must be dealt with, such as the absence of international databases and, in general, the problematic access to the necessary information.This study focuses on a particular subsector of the nonprofit field, analyzing nongovernmental development organizations (NGDOs). In Europe, these are the organizations that work in the nonprofit subsector of the international cooperation and development, trying to improve the living conditions of developing countries. NGDOs receive a portion of the Official Development Assistance (ODA) from national governments, as well as significant donations from individuals. However, the recent economic and financial crisis had a huge impact on these nonprofit organizations (NPOs): some countries reduced their ODA; household income problems threatened private donations; and credit restrictions limited the available financing alternatives of organizations. All these problems have meant a critical financial scenario for these NPOs, so their leverage decisions become more relevant and their study more important. Furthermore, the literature on financial vulnerability of NPOs has emphasized the importance of the ratio of debt to total assets, as the more in debt, the more vulnerable (Andres-Alonso, Garcia-Rodriguez, and Romero-Merino 2016 ;Trussel 2002 ). In fact, higher debt ratio values had a negative impact during the financial crisis (Lin and Wang 2016 ).