A heat pump type hot water supply apparatus is provided with a heat pump unit (2) on the side of a heat source for heating water; a hot-water tank (1) for storing hot water heated by the heat pump unit (2) on the side of the heat source; and a hot water heat exchanger (10), which is arranged inside the hot water tank (1) and has water flow inside from the lower side toward the upper side. In the hot water heat exchanger (10), the heat exchange performance of a lower level section (10b) and that of an upper level section (10a) are made different from each other.