How many people were involved in Mao's Great Leap Forward?

Well im not sure how many people were involved but I do know At least 45 million people died unnecessary deaths during China's Great Leap Forward from 1958 to 1962, including 2.5 million tortured or summarily killed, according to a new book by a Hong ... Many more vanished because they were too old, weak or sick to work - and hence unable to earn their keep.