Respiratory infections is the sum of conditions caused by (with their contribution to the total deaths within Respiratory infections in 2002):
1. Pneumonia [Lower respiratory infections], Map 404, (98% of deaths).
2. Infections of the nose and throat [Upper respiratory infections], Map 405, (2% of deaths).
3. Ear infections [Otitis media], Map 406, (0.1% of deaths).
Respiratory infections caused 7.0% of all deaths worldwide in 2002, an average of 647 deaths per million people per year.