Despite the large scope of work covered by the Institute, it is mostly known for its programs related to tourism and social thermalism for elderly.

The main tourist destinations organized by IMSERSO are located within Spain, Portugal and Andorra.

In 1997, due to the increase in migratory flows to Spain, and the increase in the immigrant population, the government delegated into the Institute the provision of social services to immigrants, renaming the agency to Institute for Migrations and Social Services (IMSERSO).

Director-GeneralThe Director-General of the Institute is responsible for the planning, direction, control and inspection of its activities for the fulfillment of its purposes.

The Secretary-General is responsible for the coordination of the Deputy-Directorates-General and the management of the domestic affairs (HR, buildings maintenance, relations with citizens and other administrations...).

It is the responsibility of supervising and controlling the application of the resolutions of the General Council, as well as to propose as many measures as it deems necessary for the best fulfillment of the Institute's purposes.