[Skyrim] How many followers is too many?

It seemed like a good idea at the time, 

Now they all just crush me in caves and small entrances. :/

Feat:
Inigo
Sofia
Forgeskir (Daedric Armour)
Mjoll (behind Forgeskir)
Belrand (behind Mjoll)
Arturia Pendragon (Saber)
Elysia
Tsumigi (off screen)
Andromeda (off screen)