Two Statistically Based Sources...

Ohio University Greek Life Statistics...

Membership Statistics

There are over 1,800 students involved in 30 social Greek-letter organizations here on campus. The Greek community comprises 12% of the undergraduate student population. The average chapter size for fraternities is 46 and 89 for sororities.

Academic Statistics
Academics are strong for the Greek community. The all-Greek average for Spring 2008 is 2.960 and the all-University average is 2.973. The all-sorority average for Spring 2008 is 3.128 and the all-fraternity average is 2.723.

http://www.ohio.edu/campuslife/greek/chapters.cfm

Statistics from NIC

In today's Greek community:

• 123 Fraternities and Sororities
• 66 NIC Men's Fraternities
• 26 NPC Women's fraternities
• 9 NPHC organizations
• 22 NALFO organizations

9 million members total:

• 750,000 Undergraduate members
• 12,000 chapters
• Located on 800 campuses in the USA and Canada

The most accurate spastics of Greek Membership ever complied are as follows:

• 48% of all US Presidents have been Greek
• 42% of US Senators are Greek
• 30% of US Congressmen/women are Greek
• 40% of all US Supreme Court Justices have been Greek
• 30% of Fortune 500 Executives are Greek
• 10% Of all listed in Who's Who are Greek

http://www.westga.edu/~stuacts/greeks/statistics.shtml