The present disclosure provides a wireless power receiver including: a power receiver configured to receive electrical power that is wirelessly transmitted from a wireless power transmitter; a power reception-side communication section configured to wirelessly communicate with the wireless power transmitter; a storage section to which data received by the power reception-side communication section is written by using the electrical power received by the power transmitter; and a monitoring section configured to monitor the electrical power or a voltage that corresponds to the electrical power supplied to the storage section in a case in which the data is being written to the storage section, the monitoring section transmits write information, which indicates whether or not the data was correctly written to the storage section based on a monitoring result, from the power reception-side communication section to the wireless power transmitter information.