Complex Systems Summer School 2013-Cities
From Santa Fe Institute Events Wiki
Potentially useful links for city-level data by country
List and links of international statistics offices from the US Census Bureau: http://www.census.gov/aboutus/stat_int.html
India: http://statisticsofindia.com/tatasoi/socio-economic.php?ccode=EAA700
Indonesia (appears to be at province level): http://www.bps.go.id/eng/index.php
Philippines (appears to be at province level): http://www.census.gov.ph/survey/annual-poverty-indicator