It has nearly 100 members in 80 countries around the world, representing approximately 6,760 savings and retail banks.

[1] WSBI is the global representative of its members, typically savings and retail banks or association thereof, and fosters cooperation between them.

[2][3][4] It shares a common secretariat and office with the European Savings and Retail Banks Group in Brussels.

Until the Second World War the headquarters of the International Savings Banks Institute remained in Milan.

In its place, a newly created World Savings Banks Institute (WSBI) was established in Brussels on 9 June 1994.