Ibn Khaldun's Asabiyyah
Asabiyyah (عصبية) is the Arabic concept developed by the 14th-century North African historian Ibn Khaldun, meaning 'social cohesion,' 'group solidarity,' or 'esprit de corps', which he identified as the driving force of historical cycles: peripheral, hardy nomadic tribes with high asabiyyah repeatedly conquer and replace soft, luxury-habituated urban dynasties, then themselves become soft over generations as wealth erodes asabiyyah, creating the conditions for conquest by a new peripheral tribe, in a ~150-year cycle that Khaldun documented across Islamic history.
Ibn Khaldun's Muqaddimah (Introduction to History, 1377) is arguably the first work of systematic social science, a theoretical framework for understanding why civilizations rise and fall, written seven centuries before Turchin's cliodynamics. Khaldun was writing from direct observation: as a North African diplomat and scholar who had witnessed the collapse of multiple dynasties and the rise of new ones, he identified a consistent pattern that neither divine providence nor individual leadership could explain, a structural dynamic.
The mechanism Khaldun identified operates through asabiyyah. Nomadic or semi-nomadic tribal groups living in harsh conditions develop high social cohesion through mutual dependence, shared danger, and the necessity of collective action for survival. This asabiyyah gives them military superiority over urban populations: not because they are individually more skilled, but because they fight as a unified social body rather than as aggregates of individual soldiers. When such a group conquers a wealthy urban dynasty, their superior asabiyyah makes the conquest swift and the new dynasty stable. But the very success of conquest begins asabiyyah's decay: urban wealth enables luxury, luxury enables social differentiation and individualism, social differentiation erodes solidarity, and within approximately three to four generations (roughly 120-150 years), the conquering tribe has itself become the soft urban dynasty vulnerable to the next peripheral group with high asabiyyah.
Predictive History integrates Khaldun's asabiyyah with its broader framework: asabiyyah is the social-cohesion variable that determines whether a civilization's structural advantages (wealth, technology, geography) can be mobilized effectively. America's founding generation had high asabiyyah (shared danger, common purpose, mutual dependence); contemporary America's asabiyyah is low (polarized, individualistic, lacking shared identity). This is not merely cultural decay but the predictable consequence of three centuries of success, exactly what Khaldun documented in Islamic dynasties and what Turchin's secular cycles capture mathematically.
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What is asabiyyah? ＋
Ibn Khaldun's 14th-century concept of social cohesion, the group solidarity that enables collective action. High asabiyyah in nomadic/peripheral tribes enables conquest of soft, luxury-habituated urban dynasties; but wealth erodes asabiyyah within ~150 years, making the formerly conquering dynasty itself vulnerable to the next high-asabiyyah peripheral group. The cycle repeats. Applied to modern America: 300 years of prosperity has eroded the founding generation's asabiyyah, predictably, per Khaldun's model.