Question: what are the biggest sororities nationally?
Answer: Chi Omega: 300,000 members. Kappa Alpha Theta: 250,000 members. Delta Delta Delta: 238,000 members. Kappa Kappa Gamma: 235,000 members. Pi Beta Phi : 230,000 members. (tie) Kappa Delta: 230,000 members. Delta Zeta: 220,000 members. Alpha Delta Pi: 215,000 members.