How do age and gender affect breathing rate?

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After birth, a child's breathing is usually about 30 to 60 breaths per minute. When they are one year old, breathing tends to slow down to about 24 to 40 breaths per minute. This will remain so until the child is almost three, when the breathing rate will slow down to about 22 to 40 breaths per minute. 

From six to twelve, most kids will have a resting breath rate between 18 and 30 breaths per minute. Most people are in peak fitness when they are teenagers, and as such the lowest breath rate falls between the ages of 13 to 19. These people will breathe between twelve to sixteen times per minute.

As an adult, breath rate begins to increase again. Adults will breathe between 12 and 20 times per minute. At the age of 65, most elderly people will breathe between 12 and 28 times per minute; those 80 and above breathe 10 to 30 times per minute.

Women typically have higher respiration rates than men.

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