A solid-state imaging apparatus (100) includes an imaging unit (222) that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit (5101) that sets an operation mode of the imaging unit, a thinning rate setting unit (5102) that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor (262) that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit (222) in accordance with the thinning rate, and a transmission unit (502) that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.