The World in 2025: A challenge to reason (Thierry Gaudin for EC DG Research) 0ct 2, 2008. Accessible en ligne à : http://2100.org/World2025.pdf

Global Trends 2025: A Transformed World (National Intelligence Council, USA) November 2008. Accessible en ligne à : 
http://www.dni.gov/nic/NIC_2025_project.html ouhttp://www.dni.gov/nic/PDF_2025/2025_Global_Trends_Final_Report.pdf