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For adults 18 and older, a normal resting heart rate is between 60 and 100 beats per minute (bpm), depending on the personâs physical condition and age. For children ages 6 to 15, the normal resting heart rate is between 70 and 100 bpm, according to the AHA.But a heart rate lower than 60 doesnât necessarily mean you have a medical problem. Active people often have lower heart rates because their heart muscles don't need to work as hard to maintain a steady beat.or children ages 6 to 15, the normal resting heart rate is between 70 and 100 bpm, according to the AHA. But a heart rate lower than 60 doesnât necessarily mean you have a medical problem. Active people often have lower heart rates because their heart muscles don't need to work as hard to maintain a steady beat.
1 Athletes or people on certain medications may have a lower resting normal rate. 2  The normal heart rate for children aged 1 to 8 years is 80 to 100 beats per minute. 3  The normal heart rate for infants age 1 to 12 months is 100 to 120 beats per minute.ere are some numbers to keep in mind: 1  The resting adult heart rate is normally 60 to 100 beats per minute. 2  Athletes or people on certain medications may have a lower resting normal rate. 3  The normal heart rate for children aged 1 to 8 years is 80 to 100 beats per minute.