Variable	Measurement	Era	Code	N	Source
Telephone use	Telephones main lines per 1000	1990	TelephoneLines_1990	159	UN-HDR 2007 table 13
		2000	Telephonelines_2000	158	UN-HDR 2002 table 11
		2005	TelephoneLines_2005	164	UN-HDR 2007 table 13
	Cellular mobile subscribers per 1000	1990	MobilePhones_1990	41	UN-HDR 2007 table 13
		2000	MobilePhones_2000	152	UN-HDR 2002 table 11
		2005	MobilePhones_2005	166	UN-HDR 2007 table 13
Radio use	Radios per 1000	1975	Radios_1975	??	Kurian 1979 table 300
		1986	Radios_1986	19	Kurian 1992 table 212
		1995	Radios_1995	78	UN-HDR 1998 table 34
Television use	Televisions per 1000	1986	TVs_1986	42	Kurian 1992 table 214
		1995	TVs_1995	78	UN-HDR 1998 table 34
Computer use	PCs per 1000	1995	PCs_1995	58	UN-HDR 1998 table 34
Internet use	Internet users per 1000	1990	InternetUse_1990	13	UN-HDR 2007 table 13
		1995	InternetUse_1995	60	UN-HDR 1998 table 34
		2000	InternetUse_2000	113	UN-HDR 2002 table 11
		2005	InternetUse_2005	164	UN-HDR 2007 table 13
Newspapers use	Newspaper circulation per 1000 population	1975	Newspapers_1975	??	Kurian 1979 table 309
		1988	Newspapers_1980	32	Kurian 1992 table??
		1995	Newspapers_1995	74	UN-HDR 1998 table 34

Related topics: Education, Technology
Related themes: Knowledge, Modernity

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