A blood pressure estimation apparatus (1) is provided with: a blood pressure measuring device (11) which measures a blood pressure (BPm) of a living body every first period a blood flow measuring device (12) which measures a blood flow volume (BF) of the living body every second period which is shorter than the first period and a blood pressure estimating device (13) which estimates the blood pressure (BPc) every third period which is shorter than the first period, on the basis of the blood pressure which is measured by the blood pressure measuring device and the blood flow volume which is measured by the blood flow measuring device.
