As a respiratory expert, I can tell you that the number of breaths a person takes in a day can vary significantly based on factors such as activity level, health, and environmental conditions. On average, an adult at rest breathes approximately 16 times per minute. This translates to about 960 breaths per hour, 23,040 breaths per day, and a staggering 8,409,600 breaths in a year. However, these numbers can increase with physical activity or exercise. For instance, during a workout, a person's breathing rate may double or even triple. Over a lifetime, assuming an average lifespan of 80 years, the total number of breaths taken would be around 672,768,000. read more >>

On average, a person at rest takes about 16 breaths per minute. This means we breathe about 960 breaths an hour, 23,040 breaths a day, 8,409,600 a year. Unless we get a lot of exercise. The person who lives to 80 will take about 672,768,000 breaths in a lifetime.read more >>