Tax burden and the Spanish perception about taxes

Here you have some interesting documents to improve your knowledges about taxes. Tax burden is the average percentage the population of a country pays to the State through taxes.  The following graph shows tax burden in the different countries of the OECD (Organization for Economic Cooperation and Development): 

Source: http://economix.blogs.nytimes.com/2009/11/24/the-tax-burden-around-the-developed-world/

And this is an interesting survey published today by the CIS (Centro de Investigaciones Sociológicas), the State organization dedicated to sociological research in Spain. The survey reflects the opinion of the Spanish population about taxes. You can find a short summary on the following link: 

http://www.elpais.com/articulo/espana/783/espanoles/considera/injusto/sistema/tributario/CIS/elpepuesp/20101123elpepunac_10/Tes

The complete report on the links below: 

http://datos.cis.es/pdf/Es2841mar_A.pdf
 
http://www.cis.es/cis/opencms/ES/Novedades/Documentacion_2841.html