In 2011, the Uppsala Conflict Data Program (UCDP) recorded 37 armed conflicts with a minimum of 25 battle-related deaths. This significant increase from the 31 conflicts recorded in 2010 was primarily driven by an increase in conflicts on the African continent, and is only in part due to events...

In 2013, the Uppsala Conflict Data Program (UCDP) recorded 33 armed conflicts with a minimum of 25 battle-related deaths, up by one from 2012. Seven of these were recorded as wars, that is conflicts leading to 1,000 or more battle-related deaths in a calendar year. There have been 144 armed...

The global number of armed conflicts continued to decline in 2003. A total of 29 conflicts in 22 countries were active in 2003, as against 31 conflicts in 23 countries in 2002. This is the lowest level of armed conflict since the early 1970s. The probability that any particular country was...

In 2012, the Uppsala Conflict Data Program (UCDP) recorded 32 armed conflicts with a minimum of 25 battle-related deaths. This is a significant decrease from the 37 recorded in 2011. Overall, the 2000s has been the least conflict-ridden decade since the 1970s. A worrying finding, however, is...

In this article we present a new dataset: the Early Conflict Prevention in Ethnic Crises dataset (ECPEC). It contains data on operational conflict prevention in 67 ethnic crises in the period 1990—98 that vary in terms of both preventive action and crisis outcomes. The new dataset thus...

The focus of this article is civil war peace agreement duration from 1989 to 2005. Recent work by Hartzell and Hoddie (2003, 2007) has argued that power-sharing provisions have a cumulative impact. In other words, the more power-sharing provisions there are built into an agreement, the greater...

Mediation, as a means to end armed conflicts, has gained prominence particularly in the past 25 years. This article reviews peace mediation research to date, with a particular focus on quantitative studies as well as on significant theoretical and conceptual works. The growing literature on...

Relations between major powers can be described as shifting between universalism and particularism. In periods of universalism, major powers try to work out acceptable rules of behavior among one another, whereas in periods of particularism, they emphasize special interests of special powers....

Incompatibilities based on the functions of the state and the system of states are often thought to give rise to confrontations and war. Departing from the exclusive characteristics of the state, four models built around different incompatibilities can be constructed: the Geopolitik,...