There are several scholarly journals that routinely publish articles about international policing, comparative policing, and/or policing in different countries. The journals are linked below, although full access to articles may require a subscription. University library privileges often provide access.
ANZSEBP Police Science Journal
Asia Pacific Journal of Police & Criminal Justice
Cambridge Journal of Evidence-Based Policing
European Journal of Policing Studies
European Police Science and Research Bulletin
International Journal of Police Science and Management
Journal of Policing, Intelligence and Counter Terrorism
Police Practice & Research: An International Journal
Policing and Society: An International Journal of Research and Policy
Policing: A Journal of Policy and Practice
Policing: An International Journal of Police Strategies & Management
World Policing 