Transitional justice consists of judicial and non-judicial measures implemented in order to redress legacies of human rights abuses. Such measures "include criminal prosecutions, truth commissions, reparations programs, and various kinds of institutional reforms". Transitional justice is enacted at a point of political transition from violence and repression to societal stability and it is informed by a society’s desire to rebuild social trust, repair a fractured justice system, and build a democratic system of governance. The core value of transitional justice is the very notion of justice—which does not necessarily mean criminal justice. This notion and the political transformation, such as regime change or transition from conflict are thus linked toward a more peaceful, certain, and democratic future.
Transitional justice has recently received greater attention by both academics and policymakers. It has also generated interest in the fields of political and legal discourse, especially in transitional societies. In period of political transitions, from authoritarian, dictatorial regimes or from civil conflicts to democracy, transitional justice has often provided opportunities for such societies to address past human rights abuses, mass atrocities, or other forms of severe trauma in order to facilitate a smooth transition into a more democratic or peaceful future.
The origins of the transitional justice field can be traced back to the post-World War II period in Europe with the establishment of the International Military Tribunal at Nuremberg and the various de-Nazification programs in Germany and the trials of Japanese soldiers at Tokyo Tribunal. To be precise, what became known as the "Nuremberg Trials", when the victorious allied forces extended criminal justice to Japanese and German soldiers and their leaders for war crimes committed during the war, marked the genesis of transitional justice. The field gained momentum and coherence during the 1980s and onwards, beginning with the trials of former members of the military juntas in Greece (1975), and Argentina (Trial of the Juntas, 1983). The focus of transitional justice in the 1970s and 1980s was on criminal justice with a focus on human rights promotion. This led to a worldwide focus and progressive rise of human rights regime culminating in the establishments of international human rights laws and conventions.