Largest Fraternities and sororities

[FuzzieAlum]

Here are the sororities ranked roughly by size (number of chapters currently active, not initiated women or number of chapters ever installed)

176 chapters - Chi Omega
More than 150 chapters - Delta Zeta, Zeta Tau Alpha
More than 130 chapters - Delta Gamma, Alpha Phi, Delta Delta Delta, Alpha Delta Pi, Alpha Chi Omega
More than 115 chapters - Alpha Omicron Pi, Pi Beta Phi, Kappa Delta, Phi Mu, Kappa Kappa Gamma, Kappa Alpha Theta
More than 100 chapters - Gamma Phi Beta, Sigma Kappa, Alpha Gamma Delta, Sigma Sigma Sigma, Alpha Xi Delta, Phi Sigma Sigma
More than 50 chapters - Alpha Sigma Tau, Alpha Sigma Alpha, Alpha Epsilon Phi, Phi Sigma Sigma, Delta Phi Epsilon
50 or fewer - Sigma Delta Tau, Theta Phi Alpha