Groups are used to provide a distinctive banking distribution channel used in microfinances throughout the world. The Group is an administrative unit. It can contain as few as 5 people or as many as 40 depending on how its used.
Different styles of group lending - Joint-Liability Group, Grameen Model (Center-Group), Self-Help Groups, Village/Communal Banks)
Centers along with Groups are used to provided a distinctive banking distribution channel used in microfinance. Its common in areas such as Southern Asia to use Centers and Group as administrative units in grameen style lending. Typically groups will contain one to five people and centers themselves will be made of anywhere between 2-10 groups.