The decline of war
Environmental conflict
Nils Petter Gleditsch
Research Professor
Interests and experience
Languages spoken: Norwegian, English (German, French)
An extensive interview with Nils Petter Gleditsch by Hilde Henriksen Waage was published as part of the 60th Anniversary series PRIO Stories in August 2019.
PRIO @ 60 in 2019
PRIO Stories
Renewable Resource Scarcity, Natural Disasters, and the Possibility of Collective Violence
Climate Change and Water Security, Challenges on the Indian Sub-Continent
Governance of Natural Resources
Agriculture and Conflict
Climate Change, Hydro-conflicts and Human Security (CLICO)
Security Implications of Climate Change
Civil War and the Transformation of Values
PRIO at 50
Latest publications
All of Nils Petter Gleditsch publications
Conflict by latitude: Disentangling the spatial clustering of civil war
Journal article in Conflict Management and Peace Science
Continuities in the work of Johan Galtung
Journal article in Journal of Global Security Studies
Introduction: Johan Galtung—His work and how it stands up over time
Journal article in Journal of Global Security Studies
Inequality, Culture, and Violence: Assessing the Legacy of Johan Galtung
Journal article in Journal of Global Security Studies
Alex Epstein (2022) Fossil Future
Book review in JPR Book Notes
Marek Thee: His Published Work
Book chapter in Marek Thee: My Story. A Journey through the 20th Century
An International Scholar with a Dramatic Life
Book chapter in Marek Thee: My Story. A Journey through the 20th Century
My Story. A Journey through the 20th Century
Monograph
Craig S Brown (2022) Steve Wright: A Spy for Peace
Book review in JPR Book Notes
Introduction: Patterns of Armed Conflict since 1945
Book chapter in What Do We Know about Civil Wars? Second edition
Latest news
All of Nils Petter Gleditsch news
PRIO researchers among the world’s most cited scientists
Several PRIO researchers feature in the 2026 edition of the Stanford / loannidis Author Ranking, a widely used global index identifying the most-cited researchers across scientific disciplines.
Gløbius Award for 2026 goes to Ole Magnus Gaalaas-Hansen
Ole Magnus Gaalaas-Hansen has won the 2026 Gløbius Award for his Master's thesis in Political Science, titled Foreign Experts in Autocratic Media: A Study of Modern Russian Propaganda Strategies.
New special issue on Johan Galtung’s intellectual legacy
PRIO is proud to announce the publication of a special issue of Journal of Global Security Studies, guest-edited by Nils Petter Gleditsch and Gerald Schneider.
The Crown Prince of Norway visits the Peace Research Institute Oslo
His Royal Highness Crown Prince Haakon of Norway visited PRIO today for a series of briefings on pressing global challenges, including developments in the Middle East, emerging technologies, migration and the human consequences of war.
Daniel Kjebekk Drivdal Awarded the 2025 Gløbius Prize
Daniel Kjebekk Drivdal has been awarded the Gløbius Prize for 2025 for his MA thesis on Climate Mitigation and Conflict.
Gløbius Award for 2024 goes to Juliane Stötter
Juliane Stötter has won the 2024 Gløbius Award for her Master’s thesis in Peace and Conflict Studies, Precipitation Variability, Rebel Group Resilience, and the Duration of Civil Conflicts.
PRIO’s Historical Archive Is Now Publicly Available
The PRIO Archive (about 1500 physical boxes) is now deposited at the National Archives of Norway.
PRIO Personified: Nils Petter Gleditsch at 80
Nils Petter Gleditsch turns 80 years today.
The History of PRIO and Peace Research: New Open Access Book
The new open accessbook Livesin Peace Research: The Oslo Stories explains how PRIO, the world'soldest independent peace research institute, was founded and how it survivedthrough crises.
PRIO Data Travel the World
The journalist Joshua Goodman of the Associated Press yesterday released the article “Global COVID deaths hit 4 million amid rush to vaccinate».
Latest events
All of Nils Petter Gleditsch events
Marek Thee: My Story - A Journey through the 20th Century
Why Is East Asia so Peaceful? Can It Last?
Mot en mer fredelig verden?
Expert Meeting on Measuring SDG 16 Targets on Peace, Inclusion and Freedom
Religion og konflikt
JPR fyller 50
Cancelled: Steven Pinker: The Sense of Style
JPR 50th Anniversary: Celebration Reception
Conflict in Africa: The Leadership and Governance Accelerators
Climate and Conflict: Past Evidence and Research Gaps
Latest comments
All of Nils Petter Gleditsch comments
Civil wars cluster around the Equator – but why?
Ola Listhaug (1949–2023)
Can Peace be Researched? Revisiting a 55-Year-Old TV Program
The Democratic Civil Peace and Beyond: Scott Gates Interviewed by Nils Petter Gleditsch
An Australian Viking has laid down his pen
Johan Galtung at 90: His Enduring Legacy to Peace Research in Oslo
Toward a Social-Democratic Peace?
In memoriam: Arthur H. Westing (1928–2020)
Olav Bjerkholt (1942–2020)
Lewis F Richardson – An Exceptional Scholar
In the media
PRIO researcher Nils Petter Gleditsch was interviewed on the Norwegian Podcast, Antijantepodden, about freedom of expression and research.
PRIO Researcher Nils Petter Gleditsch was interviewed on peace movements and the war in Ukraine, in an article for the Norwegian magazine, A-Magasinet.
PRIO started listing media appearances on profiles in 2023. Earlier media appearances may not be listed.