For a human aged 18 or more years, a normal resting heart rate can be anything between 60 and 100 beats per minute. Usually the healthier or fitter you are, the lower your rate. A competitive athlete may have a resting heart rate as low as 40 beats per minute.
Champion cyclist, Miguel Indurain once had a resting heart rate of 29 beats per minute (bpm).
According to the National Health Service, UK, the following are ideal normal pulse rates at rest, in bpm (beats per minute):
Newborn baby - 120 to 160
Baby aged from 1 to 12 months - 80 to 140
Baby/toddler aged from 1 to 2 years - 80 to 130
Toddler/young child aged 2 to 6 years - 75 to 120
Child aged 7 to 12 years - 75 to 110
Adult aged 18+ years - 60 to 100
Adult athlete - 40 to 60