Dietary Reference Intakes for Vitamin C in Japan (per day)

Males EAR RDA AI
0-5 months - - 40 mg
6-11 months - - 40 mg
1-2 years 30 mg 35 mg -
3-5 years 35 mg 40 mg -
6-7 years 45 mg 55 mg -
8-9 years 50 mg 60 mg -
10-11 years 60 mg 75 mg -
12-14 years 80 mg 95 mg -
15-17 years 85 mg 100 mg -
18-29 years 85 mg 100 mg -
30-49 years 85 mg 100 mg -
50-69 years 85 mg 100 mg -
70 years and older 85 mg 100 mg -
Females EAR RDA AI
0-5 months - - 40 mg
6-11 months - - 40 mg
1-2 years 30 mg 35 mg -
3-5 years 35 mg 40 mg -
6-7 years 45 mg 55 mg -
8-9 years 50 mg 60 mg -
10-11 years 60 mg 75 mg -
12-14 years 80 mg 95 mg -
15-17 years 85 mg 100 mg -
18-29 years 85 mg 100 mg -
30-49 years 85 mg 100 mg -
50-69 years 85 mg 100 mg -
70 years and older 85 mg 100 mg -
Pregnancy EAR RDA AI
12-14 years 90 mg 105 mg -
15-17 years 95 mg 110 mg -
18-29 years 95 mg 110 mg -
30-49 years 95 mg 110 mg -
50-69 years 95 mg 110 mg -
Lactation EAR RDA AI
12-14 years 120 mg 140 mg -
15-17 years 125 mg 145 mg -
18-29 years 125 mg 145 mg -
30-49 years 125 mg 145 mg -
50-69 years 125 mg 145 mg -
Reference: Dietary Reference Intakes for Japanese. Ministry of Health, Labour and Welfare, Japan, 2015