Provided is a toner including a crystalline resin and a non-crystalline resin. In a reflected electron image of a cross-section of the toner stained by ruthenium tetroxide captured by a scanning electron microscope, the ratio of regions stained by ruthenium tetroxide is from 50 area % to 80 area %. In a reflected electron image of the surface of the toner stained by ruthenium tetroxide captured by a scanning electron microscope, the ratio of regions stained by ruthenium tetroxide is from 10 area % to 40 area %.