Variable	Measurement	Era	Code	N	Source
Urban population	% population living in urban area	1975	UrbanPopulation_1975	168	UN-HDR 2007 table 5
		1988	UrbanPopulation_1990	80	Kurian 1992 table 18
		1995	UrbanPopulation_1995	90	UN-HDR 1998 table 21
		2000	UrbanPopulation_2000	165	UN-HDR 2002 table 5
		2005	UrbanPopulation_2005	168	UN-HDR 2007 table 5
Urban population growth	Annual growth rate % urban population	1970-95	UrbanGrowth_70.95	90	UN-HDR 1998 table 21
		1995-2015	UrbanGrowth_95.15	89	UN-HDR 1998 table 21

Related topics: Population pressure, Habitability, Industrialization
Related themes: Ecology, Geography, Modernity

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.