A receiver comprising: a demodulator that demodulates a modulation wave modulated according to orthogonal frequency division multiplexing (OFDM), the demodulator including: an interference wave detector that detects that a received modulation wave which is received by the receiver includes an interference wave when received power of each sample of the received modulation wave exceeds a threshold, and upon the detection, executes replacement processing of replacing a received signal exceeding the threshold with a predetermined value; a first interference wave power estimation unit configured to estimate interference wave power included in an OFDM symbol included in the received modulation wave on the basis of the number of samples that have been subjected to the replacement processing in the OFDM symbol; and a demodulated data generator that demodulates the received modulation wave by executing demodulation processing of demodulating the received modulation wave that has been subjected to the replacement processing by the interference wave detector on the basis of the interference wave power estimated by the first interference wave power estimation unit, to generate demodulation data, characterized in that the demodulator further includes a second interference wave power estimation unit configured to estimate interference wave power included in a first OFDM symbol included in the received modulation wave on the basis of interference wave power included in a second OFDM symbol that is different from the first OFDM symbol and magnitude of an effect on the first OFDM symbol, which is brought by the interference wave power included in the second OFDM symbol, and the demodulated data generator applies demodulation processing including error correction taking into account the interference wave power estimated by the first interference wave power estimation unit to a first OFDM symbol group having at least one OFDM symbol included in the received modulation wave, to generate demodulation data for the received modulation wave, and applies demodulation processing including error correction taking into account the interference wave power estimated by the second interference wave power estimation unit to a second OFDM symbol group having an OFDM symbol that is the OFDM symbol included in the received modulation wave other than the OFDM symbol of the first OFDM symbol group, to generate the demodulation data for the received modulation wave. a demodulator that demodulates a modulation wave modulated according to orthogonal frequency division multiplexing (OFDM), the demodulator including: an interference wave detector that detects that a received modulation wave which is received by the receiver includes an interference wave when received power of each sample of the received modulation wave exceeds a threshold, and upon the detection, executes replacement processing of replacing a received signal exceeding the threshold with a predetermined value; a first interference wave power estimation unit configured to estimate interference wave power included in an OFDM symbol included in the received modulation wave on the basis of the number of samples that have been subjected to the replacement processing in the OFDM symbol; and an interference wave detector that detects that a received modulation wave which is received by the receiver includes an interference wave when received power of each sample of the received modulation wave exceeds a threshold, and upon the detection, executes replacement processing of replacing a received signal exceeding the threshold with a predetermined value; a first interference wave power estimation unit configured to estimate interference wave power included in an OFDM symbol included in the received modulation wave on the basis of the number of samples that have been subjected to the replacement processing in the OFDM symbol; and a demodulated data generator that demodulates the received modulation wave by executing demodulation processing of demodulating the received modulation wave that has been subjected to the replacement processing by the interference wave detector on the basis of the interference wave power estimated by the first interference wave power estimation unit, to generate demodulation data, the demodulator further includes a second interference wave power estimation unit configured to estimate interference wave power included in a first OFDM symbol included in the received modulation wave on the basis of interference wave power included in a second OFDM symbol that is different from the first OFDM symbol and magnitude of an effect on the first OFDM symbol, which is brought by the interference wave power included in the second OFDM symbol, and the demodulated data generator applies demodulation processing including error correction taking into account the interference wave power estimated by the first interference wave power estimation unit to a first OFDM symbol group having at least one OFDM symbol included in the received modulation wave, to generate demodulation data for the received modulation wave, and applies demodulation processing including error correction taking into account the interference wave power estimated by the second interference wave power estimation unit to a second OFDM symbol group having an OFDM symbol that is the OFDM symbol included in the received modulation wave other than the OFDM symbol of the first OFDM symbol group, to generate the demodulation data for the received modulation wave.