Gunnar Heinsohn (born 1943 in Gdynia, Poland) is a German university professor who has published more that 400 scholarly articles and books. He has focused his research on the history and theory of civilization. Since 1984, he has been a tenured professor at the University of Bremen, where he heads the Raphael-Lemkin-Institute for Comparative Genocide Research. Gdynia (IPA: , German: (until 1939 and after 1945) / Gotenhafen (1939-1945); Kashubian: ) is a city in the Pomeranian Voivodeship of Poland and an important seaport at Gdańsk Bay on the south coast of the Baltic Sea. ... The University of Bremen (Universität Bremen) is a university of about 23,000 students and 1,500 scientists in Bremen, Germany. ...

He is known most widely for his theory of the Youth Bulge. He argues that an excess in especially young adult male population predictably leads to social unrest, war and terrorism, as the "third and fourth sons" that find no prestigious positions in their existing societies rationalize their impetus to compete by religion or political ideology. Heinsohn claims that most historical periods of social unrest lacking external triggers (such as rapid climatic changes or other catastrophic changes of the environment) and most genocides can be readily explained as a result of a built up youth bulge, including European colonialism, 20th century Fascism, and ongoing conflicts such as that in Darfur and terrorism. A population pyramid is two back-to-back bar graphs, one showing the number of males and one showing females in a particular population in five-year age groups (also called cohorts). ... Look up war in Wiktionary, the free dictionary. ... Terrorist redirects here. ... Genocide is the mass killing of a group of people as defined by Article 2 of the Convention on the Prevention and Punishment of the Crime of Genocide (CPPCG) as any of the following acts committed with intent to destroy, in whole or in part, a national, ethnic, racial or... The first European colonization wave took place from the start of the 15th century until the New Imperialism period in the second part of the 19th century. ... Fascism is an authoritarian political ideology (generally tied to a mass movement) that considers individual and other societal interests inferior to the needs of the state, and seeks to forge a type of national unity, usually based on ethnic, religious, cultural, or racial attributes. ... Combatants factions of the SLA Justice & Equality Movement Janjaweed  Sudan Minnawi-faction of the SLA Commanders SLA: SalaBob and Sulaiman Gamos JEM: Ibrahim Khalil Janjaweed: ? Sudan: Omar al-Bashir SLA: Minni Minnawi Casualties 300,000 civilians killed (est. ... Terrorist redirects here. ...

See also

• Youth Bulge
• War (see section "demographic theories")

A population pyramid is two back-to-back bar graphs, one showing the number of males and one showing females in a particular population in five-year age groups (also called cohorts). ... Look up war in Wiktionary, the free dictionary. ...

External links

• Raphael-Lemkin-Institute for Comparative Genocide Research at University of Bremen
• Bibilography 1969-2007 - lists Heinsohn´s publications in german and english, sorted by date
• Gunnar Heinsohn: Demography and War (brief outline of Heinsohn´s Youth Bulge Theory of social unrest)
• Gunnar Heinsohn: Population, Conquest and Terror in the 21st Century (Heinsohn applies his Youth Bulge Theory of social unrest to european imperialism as well as todays islamist terror)
• Söhne und Weltmacht (Sons and World Power) - Heinsohn´s 2003 book about the Youth Bulge Thesis as free downloadable E-Book (in german)
• Articles by Heinsohn available online (mostly in german)
• The Security Demographic: Population and Civil Conflict after the Cold War
• The "Youth Bulge" Anne Hendrixon criticizes Youth Bulge Theory