Abstract: An image formation apparatus according to one or more embodiment may include: image formation parts each including a developer image development part, a developer container that accommodates a developer, and a deteriorated developer container that accommodates a deteriorated developer discharged from the developer image development part; a collection part that collects a value based on a history of printing rates of each of the image formation parts; a printing rate calculator that calculates a printing rate of a received print data; and an image formation part selector that selects, based on the value based on the history of printing rates of each of the image formation parts collected by the collection part and the printing rate of the received printed data calculated by the printing rate calculator, one of the image formation parts, to be used for performing printing of the received print data.