Islamic

Islamic civilization spans multiple basins and corridors, unified by religious-legal frameworks, shared scholarly networks, and trade routes.

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The framework read

The author's reading of this civilization.

Geography: multiple cores (Arabian Peninsula origins; later Nile, Tigris-Euphrates, Persian, and Indian Ocean littorals).
Cultural-linguistic cohesion: Arabic as liturgical/administrative lingua franca; shared legal and scholarly traditions.
Political-economy: caliphates and successor polities managing taxation and trade across Afro-Eurasian routes.
Continuity: enduring civilizational identity across dynastic changes and regional adaptations.

Why it works — and how it breaks

Success vector: S (religious-legal cohesion + scholarly networks) + G (rapid early expansion, route security).
Failure modes: S fragmentation (regional dynasties, military autonomy) + fiscal strain; later G tech lag vs gunpowder/industrial rivals; major transmission to Latin West reshapes external competitors.

By the numbers †

GDP2nd-3rd largest global economy, ~15-19% of world GDP, trade network integration
Population2nd-3rd largest global population, ~16-18% of world population, moderate density 10-15/km²
Urbanization10-17% urban population, largest city globally after Sinitic: Baghdad 800K-1.0M in 1000 CE, scholarly centers
Fiscal Capacitytax revenue: $1.5B to $2.5B, tax-to-GDP ratio: 8% to 9%, military spending: 43% to 47% of tax revenue, fiscal-military relationship, regional variation
Technology Index65→70, Golden Age peak, technology leadership, innovation rate 8-14 per century, high knowledge technology 18/20, technology diffusion to Latin West
Institutional Metrics12-18 officials per 10K, 75% tax efficiency, 2,000 legal provisions, very high educational systems 25-30 per 100K, scholarly networks 100K-200K scholars
Demographic Structure36-37% under 15, 32-38 years life expectancy, 5-6 fertility, 32-38 mortality, balanced structure, high youth proportion
Infrastructure25,000-35,000 km roads, 5,000-8,000 km canals, 300 fortifications, 650 bridges, 500-800 caravanserais, 75/100 sophistication index, caravanserai network, trade route infrastructure, Style ax

† Scholarly estimates.

People over time

Population (millions) †

† Scholarly estimates, drawn as separately published segments.

Economy

† Estimates after Maddison, to 1945, log scale.

Polities as spans

Each bar opens its entry.

Turning points

622 CEIslamic Hijra
633 CE-651 CEMuslim
634 CE-638 CEMuslim
15-20 August 636Battle of the Yarmuk
750 CEAbbasid Revolution
May-September 751 CEBattle of Talas
3-4 July 1187Battle of Hattin
3 September 1260Battle of Ain Jalut
7 October 1571Battle of Lepanto
Siege 14 July-11 September 1683; battle 12 September 1683Siege and Battle of Vienna

People

Al-Biruni973-1048
Al-Farabi872-950
Al-Ghazali1058-1111
Al-Kindi801-873
Averroes (Ibn Rushd)1126-1198
Avicenna (Ibn Sina)980-1037
Hunayn ibn Ishaq809-873
Ibn Battuta1304-1368

Patterns and comparisons

Ideas that help read this civilization alongside others.

Trade Networks as Civilizational Connectors and Transformers [trade-network-dynamics]Pattern · Trade routes (maritime, overland, riverine) transmit technologies, ideas, and pathogens, creating syncretic zo
Technological Regime Change and Civilizational TransitionsPattern · Major technological shifts (agricultural, military, industrial, information) can reset civilizational advantag
Educational Systems and Elite Formation Across CivilizationsComparison · Compares educational systems (Confucian examinations, Islamic madrasas, European universities, monastic school
Legal Systems Across CivilizationsComparison · Compares legal systems (Roman, Islamic, Chinese, common law) to identify patterns in how law structures govern
Islamic Scholarly Networks and Knowledge TransmissionPattern · Islamic civilization's scholarly networks (madrasas, scholarly travel, translation movements) enabled knowledg
Succession Systems Across CivilizationsComparison · Compares succession systems (primogeniture, designated, elective, bureaucratic) across civilizations to identi
Virtue Ethics and Character CultivationPattern · Virtue ethics (character cultivation, moral exemplars, virtue-based selection) shapes elite formation, legitim

Explore this civilization

Polities

Data cards

Concepts

Patterns

People

Events

Comparisons

Conflicts in this civilization

Each conflict opens on its polity page. Evidence badges show how well each is sourced; stub-only conflicts carry no figures.

633 CE-651 CE Muslim (Rashidun) Conquest of Persia (633-651 CE) conquest Primary text read
634 CE-638 CE Muslim (Rashidun) Conquest of Syria/Levant (634-638 CE) conquest Primary text read
15-20 August 636 Battle of the Yarmuk (636 CE) battle Primary text read
May-September 751 CE Battle of Talas (751 CE) battle Primary text read
1095 CE-1291 CE (conventional; convention cited to Tyerman 2006, book-level) Crusades (1095-1291 CE, conventional span) war series Primary text read
3-4 July 1187 Battle of Hattin (1187 CE) battle Primary text read
January-February 1258 (13 days of siege) Siege of Baghdad (1258 CE) siege Stub only
3 September 1260 Battle of Ain Jalut (1260 CE) battle Primary text read
23 August 1514 Battle of Chaldiran (1514 CE) battle Primary text read
1532 CE-1555 CE Ottoman-Safavid War (1532-1555 CE) interstate war Stub only
7 October 1571 Battle of Lepanto (1571 CE) naval battle Stub only
26 September 1603-20 November 1612 Ottoman-Safavid War (1603-1612 CE) interstate war Stub only
Siege 14 July-11 September 1683; battle 12 September 1683 Siege and Battle of Vienna (1683 CE) siege Primary text read

Art: Patterns of Civilization chronicle art, made with AI: illustrations, not historical evidence. Entries are drafts preserved from civilization.study. Method and sources.