The Global Observatory on Donation and Transplantation represents the most comprehensive source of worldwide data concerning activities in organ donation and transplantation and information on legal and organizational aspects. Of the countries reporting information, 84.7% have a national structure supervising or coordinating donation and transplantation and 91% have specific legislation. Worldwide approximately 104,065 solid organ transplants are performed each year. There is a vast difference in rates of kidney and liver transplantation, especially from deceased donor depending on the level of development. This analysis provides an overview of existing organizational structures, related legislation, and activities.