Dietary Reference Intakes for Potassium in United States (per day)

Males AI
0-6 months 400 mg
7-12 months 700 mg
1-3 years 3000 mg
4-8 years 3800 mg
9-13 years 4500 mg
14-18 years 4700 mg
19-30 years 4700 mg
31-50 years 4700 mg
50-70 years 4700 mg
70 years and older 4700 mg
Females AI
0-6 months 400 mg
7-12 months 700 mg
1-3 years 3000 mg
4-8 years 3800 mg
9-13 years 4500 mg
14-18 years 4700 mg
19-30 years 4700 mg
31-50 years 4700 mg
50-70 years 4700 mg
70 years and older 4700 mg
Pregnancy AI
less than 18 years 4700 mg
19-30 years 4700 mg
31-50 years 4700 mg
Lactation AI
less than 18 years 5100 mg
19-30 years 5100 mg
31-50 years 5100 mg
Reference: Dietary Reference Intakes (DRIs): Recommended Intakes for Individuals, Food and Nutrition Board, Institute of Medicine, National Academies, 2010