Variable	Measurement	Era	Code	N	Source
Daily calories	Average number per day	1988	Calory1_1988	42	Kurian 1992 table 191
	% less than 2500 per day	1988	Calory2_1988	42	Kurian 1992 table 192
	% of requirement	1981	Calory3_1981	43	UN WDR 1984: 264-265
		1997	Calory3_1997	88	HDR table 23
Undernourishment	% undernourished of total population	1990-1992	Hunger_1990.92	117	UN-HDR 2007 table 7
		2002-2004	Hunger_2002.04	122	UN-HDR 2007 table 7
Children underweight	% undernourished > age 5	1990-2005	Underweight1_1990.2005	104	UN-HDR 2007 table 7
	% infants with low birthweight	1998-2005	Underweight2_1998.2005	161	UN-HDR 2007 table 7

Related topics: Health outcomes, Physical health, Poverty, Standard of living
Related themes: Consumption, Life style

The dataset States of Nations is about characteristics of countries in periods (macro variables). It is part of the World Database of Happiness. Developed for the identification of societal conditions for happiness, the source can also be used for other purposes.