affiliation of members: Socialist/Social democrat/Centre-left – 44 Centrist – 17 Liberal conservative/Christian democrat/Centre-right – 30 Conservative/Right-wing – 17 No affiliation – 13 Office held (some members have held both): President – 71 Prime Minister – 54 List of Secretary-Generals List of honorary members List of members of the constituent foundations List of former members (deceased) See also CC9 References External links Think tanks based in Spain International nongovernmental organizations Organisations based in Madrid 2001 establishments in Spain Organizations established in 2001