As of the synagogueans:
2% of the US populace but
33%-43% within US Congress?
Say what? How can this be? (source: Ha'aretz braggers)
As to demographics and representations:
It's not the shares that really count, it's who controls the shares.
Who sits almost always and almost anywhere on top of the table
'who didn't sow and didn't reap' in biblical speak.
IOW: Who rules?