A printing system includes a first printing unit that performs printing using a material that exhibits structural color, based on first data, a second printing unit that performs printing using a material that includes pigment, based on second data, and a control apparatus that outputs the first data and the second data; the first data causes the first printing unit to print the first personal information items of a first information group in respective regions, and an item of identification information linked to the first information group; and the second data causes the second printing unit to print the second personal information items of a second information group linked to the item of identification information on the corresponding respective regions on which the first personal information items corresponding to the respective second personal information items have been printed.