An image forming apparatus includes a latent image carrier, a first developing unit, a second developing unit, a transfer unit, a removing member, and a fixing unit. An average circularity of particles having an average particle diameter of no less than 100 nm and no more than 300 nm among particles included in a second external additive is less than an average circularity of particles having an average particle diameter of no less than 100 nm and no more than 300 nm among particles included in a first external additive.