The incidence of<unk><unk>  is different based on the geographic areas. The incidence in the USA is low, in Alaska and Greenland is moderate and the highest incidence is seen in southeast Asia, North Africa, southern China and middle east. The incidence of this disease increases with increasing age in low- risk population. However, in high-risk populations, the maximum incidence is seen in individuals around ages 50 to 59 and then the incidence decreases by increasing age.<unk><unk>  usually affects individuals of the Asian race, and is more commonly affected by male than female. The majority of<unk><unk>  cases are reported in southern China, Southeast Asia, North Africa and also is more seen in Inuit Indians.
Nasopharyngeal carcinoma epidemiology and demographics
Laryngeal cancer epidemiology and demographics
Hypopharyngeal cancer epidemiology and demographics
Salivary gland tumor epidemiology and demographics
Esophageal cancer epidemiology and demographics
Oral cancer epidemiology and demographics
Adenoiditis epidemiology and demographics
Mucoepidermoid carcinoma epidemiology and demographics