This report constitutes the first comprehensive review of right-wing extremism (RWE) in the Nordics (Denmark, Finland, Norway, and Sweden). In it, a team of 13 leading researchers have compiled and reviewed academic texts written about the topic. The result is a descriptive and analytical report of how the Nordic RWE milieu has developed from 1918 until today, with a specific focus on the pan-Nordic and transnational dimensions of the milieu. In the report, we also compile the practices used to prevent RWE in the Nordics, and analyze how well they are situated to handle the threat RWE poses to society.