Infants & Toddlers: Normal heart rate can fluctuate between 110 and 160. Infants heart rate is considerably higher with a wider range than non-infants.
Children 12 and Under: Normal heart rate can fluctuate between 80 and 120. This age is still growing but not as rapidly as the infant and toddler.
Children 13+ and Adults: Normal heart rate can fluctuate between 60 and 100. With the average being about 80 beats per minute resting heart rate.
At Age 75: By the time you reach 75 your heart will have completed approximately 3,153,600,000 beats.
At Age 80: By the time you reach 80 your heart will have completed approximately 3,363,840,000 beats.
At Age 85: By the time you reach 85 your heart will have completed approximately 3,574,080,000 beats.
At Age 90: By the time you reach 90 your heart will have completed approximately 3,784,320,000 beats.
At Age 95: By the time you reach 95 your heart will have completed approximately 3,994,560,000 beats.
Average Beats Per Day: If your heart beats the standard average of approximately 80 beats per minute it will beat 115,200 per day and 42,048,000 a year.