Related to this what factors are preventing Iranians from fleeing the country? Is it money? Are there any groups trying to help them leave?

The fact that they have their whole lives tied up there, may not speak another language and inevitably have older family members that they can not easily take along but are feeling responsible for. Iranian family ties are something else compare to your average Western family.

1) Its money. Their economy is extremly week. 2) They are afraid to leave. As the Terror regime will arrest their family that stayed