Background: Providing informal care may affects caregivers' life in different ways. Determining the needs of caregivers and supporting them can improve both the quality of life of the caregivers, as well as the elderly they take care of. Objective: To explore the experiences and needs of the informal caregivers in four countries. Design: Qualitative research method was used in the study. Methods: The qualitative data was collected through focus groups and individual interviews between December 2016–May 2017.