It seems that democracy is dependent on large educated-middle-classes which is created by a advanced technology economy ([<ref>http://homepages.wmich.edu/~plambert/comp/lipset.pdf paper 1lipset 1959]</ref>,<ref>[http://www.mindmeister.com/450824195 lijpert 1968]</ref><ref>[https://graphics.eiu.com/PDF/Democracy_Index_2010_web.pdf The economist 2010]</ref>.