Table 1. Comparison of the 2020 Dietary Reference Intakes for Koreans of protein with the average daily protein intake estimated by the 2013–2017 Korea National Health and Nutrition Examination Survey by age group.

Life stage	Age (yrs)	Average protein intake (g/day)	EAR	%EAR	RNI	%RNI
Children	1–2	38.1 ± 1.1	15	254.0	20	190.5
	3–5	46.3 ± 1.1	20	231.7	25	185.3
Adults (males)	6–8	62.9 ± 1.6	30	209.5	35	179.6
	9–11	74.8 ± 2.4	40	187.0	50	149.6
	12–14	89.1 ± 3.0	50	178.2	60	148.5
	15–18	96.4 ± 3.7	55	175.2	65	148.2
	19–29	88.3 ± 2.4	50	176.7	65	135.9
	30–49	88.8 ± 1.3	50	177.6	65	136.6
	50–64	82.5 ± 3.5	50	165.1	60	137.6
	65–74	69.2 ± 2.2	50	138.5	60	115.4
	≥ 75	58.0 ± 2.4	50	116.1	60	96.7
Adults (females)	6–8	52.3 ± 1.5	30	174.4	35	149.5
	9–11	65.2 ± 2.0	40	163.0	45	144.9
	12–14	66.4 ± 2.2	45	147.6	55	120.7
	15–18	63.5 ± 2.5	45	141.1	55	115.5
	19–29	64.3 ± 1.6	45	142.8	55	116.9
	30–49	63.0 ± 0.9	40	157.5	50	126.0
	50–64	57.8 ± 1.0	40	144.5	50	115.6
	65–74	49.6 ± 1.8	40	124.0	50	99.2
	≥ 75	37.7 ± 1.5	40	94.2	50	75.3

EAR, estimated average requirement; RNI, recommended nutrient intake.