Dietary Reference Intakes for Magnesium in Japan (per day)

Males	EAR	RDA	AI
0-5 months	-	-	20 mg
6-11 months	-	-	60 mg
1-2 years	60 mg	70 mg	-
3-5 years	80 mg	100 mg	-
6-7 years	110 mg	130 mg	-
8-9 years	140 mg	170 mg	-
10-11 years	180 mg	210 mg	-
12-14 years	250 mg	290 mg	-
15-17 years	300 mg	360 mg	-
18-29 years	280 mg	340 mg	-
30-49 years	310 mg	370 mg	-
50-69 years	290 mg	350 mg	-
70 years and older	270 mg	320 mg	-

Females	EAR	RDA	AI
0-5 months	-	-	20 mg
6-11 months	-	-	60 mg
1-2 years	60 mg	70 mg	-
3-5 years	80 mg	100 mg	-
6-7 years	110 mg	130 mg	-
8-9 years	140 mg	160 mg	-
10-11 years	180 mg	220 mg	-
12-14 years	240 mg	290 mg	-
15-17 years	260 mg	310 mg	-
18-29 years	230 mg	270 mg	-
30-49 years	240 mg	290 mg	-
50-69 years	240 mg	290 mg	-
70 years and older	220 mg	270 mg	-

Pregnancy	EAR	RDA	AI
12-14 years	270 mg	330 mg	-
15-17 years	290 mg	350 mg	-
18-29 years	260 mg	310 mg	-
30-49 years	270 mg	330 mg	-
50-69 years	270 mg	330 mg	-