United Nations Office on Drug and Crimes: Human Trafficking
United Nations Global Initiatives to Fight Human Trafficking
International Organization for Migration: Counter Trafficking
International Labour Organization: Forced Labour
Council of Europe: Anti-trafficking Website
European Commission Trafficking in Human Beings Website
Europol Organized Crime Threat Assessment
United Nations Interregional Crime and Justice Research Institute (UNICRI): Trafficking in Persons
Women's Human Rights Commission of Korea
US Department of State, Office to Monitor and Combat Trafficking in Persons
German Federal Police Office (Bundeskriminalamt) Annual Situation Reports on Trafficking in Human Beings
The Dutch National Rapporteur on Trafficking in Human Beings and Sexual Violence against Children
The Protection Project
Menschenhandel heute
The Global Slavery Index
LexisNexis Human Trafficking Awareness Index
Polaris Project
Tilburg University International Victimology Institute (Intervict)
Economics of Human Trafficking Research Group, University of Marburg
Konrad Adenauer Foundation EU-Asia Dialogue: Human Trafficking
Journal of Human Trafficking
Human Trafficking Indicators Project (Richard Frank)
Coursera: Human Trafficking Courses (Jacquelyn Meshelemiah)
TRANSCRIME (Joint Research Center on Transnational Crime)
Source of the Map: Cho, Seo-Young, Human Trafficking, Germany only Average when it comes to Protecting Victims, DIW Economic Bulletin vol. 2, Nov. 2012