In an imaging device, each of first and second pixels in a same column includes a photoelectric converter, a first transistor, and a second transistor wherein a source (or a drain) of the first transistor is connected to the photoelectric converter, a gate of the second transistor is connected to the photoelectric converter, and a source (or a drain) of the second transistor is connected to the drain (or the source) of the first transistor. A first current source is configured to be electrically connected to the source (or the drain) of the second transistor of the first pixel, a second current source is configured to be electrically connected to the source (or the drain) of the second transistor of the second pixel, and a signal line is configured to be electrically connected to the drain (or the source) of the second transistor of the first pixel and to the drain (or the source) of the second transistor of the second pixel.