At their respective peaks =
Gambino 350 - 400
Genovese 300 - 350
Lucchese 200 - 250 or 260
Colombo 300 (Michael Franzese said that at the time of his initiation there were about three hundred soldiers and 15 captains in the entire borgata) circa 1974
Bonanno 150 - 200
Here I posted 1960s families charts from Mary Ferrell Fondation,are listed all the capodecinas so you can estimate the real number of mad guys in each family.
