Through its global membership, IEEE is a leading authority on areas ranging from aerospace systems, computers and telecommunications to biomedical engineering, electric power and consumer electronics among others. 

Members rely on IEEE as a source of technical and professional information, resources and services.

To foster an interest in the engineering profession, IEEE also serves student members in colleges and universities around the world. 

Other important constituencies include prospective members and organizations that purchase IEEE products and participate in conferences or other IEEE programs.

IEEE has:

• more than 375,000 members in more than 160 countries; 45 percent of whom are from outside the United States
• more than 80,000 student members 
• 329 sections in ten geographic regions worldwide
• 1,860 chapters that unite local members with similar technical interests
• 1,789 student branches in 80 countries
• 483 student branch chapters at colleges and universities
• 390 affinity groups -- IEEE Affinity Groups are non-technical sub-units of one or more Sections or a Council. The Affinity Group patent entities are Consultants' Network, Graduates of the Last Decade (GOLD), Women in Engineering (WIE) and Life Members (LM)

*Data current as of 31 Dec 2008

IEEE:

• has a total of  45 societies and councils -- 38 societies and 7 technical councils representing the wide range of technical interests
• has more than 2 million documents in the IEEE/IET Electronic Library
• has nearly 1,300 standards and projects under development
• publishes a total of 144 transactions, journals and magazines
• sponsors more than 900 conferences annually