Both Sailor Moon and Sailor Silver Moon have 10 sailor scouts.

Sailor Moon
Sailor Venus
Sailor Mercury
Sailor Jupiter
Sailor Uranus
Sailor Neptune
Sailor Pluto
Sailor Saturn
Sailor Chibi Moon
Sailor Chibi Chibi

Sailor Silver Moon
Sailor Hearts
Sailor Flowers
Sailor Star
Sailor Beauty
Sailor Triforce
Sailor Metroid
Sailor Sun
Sailor Light
Sailor Balance