The image forming apparatus includes an image bearing member, a charge member, a transfer unit, an application unit, a cleaning member, a detection unit that detects an index value, and a control unit that, in a case where one or a plurality of consecutive toner images for which the index value is equal to or greater than a first threshold value is formed, performs control which increases an absolute value of the transfer voltage for a toner image to be formed next, and in a case where one or a plurality of consecutive toner images for which the index value is less than a second threshold value equal to or greater than the first threshold value is formed, performs control which decreases an absolute value of the transfer voltage for a toner image to be formed next.