U.S. dietary guidelines recommend that people limit their sodium intake to less than 2,300 milligrams per day, states Mayo Clinic. Individuals who are at risk for developing high blood pressure, diabetes or chronic kidney disease should eat 1,500 milligrams of sodium or less per day.
Individuals above the age of 51 or who are black are also at risk for developing sodium-related medical conditions such as high blood pressure and should limit their sodium intake to 1,500 milligrams per day or less. Conversely, the average American citizen consumes approximately 3,400 milligrams of sodium per day, states Mayo Clinic. Processed and prepared foods contain the majority of sodium in the average American's diet.