The main purpose of the article is to analyze humanitarian aid provided by the European Union and the United Nations. The research includes a review of existing documents, reports, and studies on world humanitarian assistance. The main issues and findings analyzed in this study are the evolution of the humanitarian assistance provided by the European Union and the United Nations and the role of the European Community Humanitarian Aid Office – ECHO and the Office for Coordination of Humanitarian Affairs - OCHA – as units responsible for organization and financial issues. On the basis of the history and key events, the finances, and significant projects in the field of humanitarian aid implemented by the EU and the UN are presented. Finally, the authors attempt to assess the effectiveness of assistance.