How many times have we been reborn?

Rebirth is the teaching that the actions of a being leads to a new existence after physical death, in an endless cycle called saṃsāra.  Saṃsāra is the cycle of birth, death, and rebirth that has no beginning or end.  The release from the endless succession of births and deaths is accomplished by extinguishing the factors that fuel its persistence; namely, ignorance, ill will and greed.  The liberation from the cycle of becoming and death is Nibbāna.