Criteria: Tachypnea [too fast breathing](WHO criteria)
Newborn to 2 months: 60 breaths per minute
Infant 2 months to 1 year: 50 breaths per minute
Preschool Child 1 to 5 years: 40 breaths per minute
School age Child: 20-30 breaths per minute
Adults: 20 breaths per minute