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Data card

Islamic Civilization GDP Data 800-1200 CE

GDP and GDP per capita estimates for Islamic civilization during Abbasid Golden Age and expansion period (800-1200 CE), showing economic integration and trade network capacity.

Data Summary

  • GDP (800 CE): ~$18.5 billion (1990 international $)
  • GDP per capita (800 CE): ~$420 (1990 international $)
  • GDP (1200 CE): ~$28.2 billion (1990 international $)
  • GDP per capita (1200 CE): ~$480 (1990 international $)
  • Trend: Increasing (moderate growth, ~0.7% annual GDP growth, ~0.2% per capita growth)
  • Confidence: Medium (back-projection from later data, validated by trade and urbanization data)
  • Source: Maddison Project Database 2020
  • Period: 800-1200 CE (Abbasid Golden Age through regional fragmentation)

Polity Context

  • Primary Polities:
  • Note: This data represents civilization-level aggregates across multiple caliphates and dynasties; specific polities may vary

Time Series Data

Year GDP (billions, 1990 $) GDP per capita (1990 $) Source Notes
800 18.5 420 Maddison 2020 Abbasid Golden Age, economic expansion
900 20.1 430 Maddison 2020 Abbasid peak, trade network expansion
1000 22.8 450 Maddison 2020 Regional fragmentation begins, continued growth
1100 25.2 465 Maddison 2020 Regional dynasties, economic resilience
1200 28.2 480 Maddison 2020 Regional fragmentation, continued economic activity

Comparative Context

  • Regional average (Middle East/North Africa, 1000 CE): ~$25 billion
  • Global average (1000 CE): ~$120 billion
  • Ranking: 2nd-3rd largest economy globally (800-1200 CE, after Sinitic)
  • % of world GDP (800 CE): ~15%
  • % of world GDP (1200 CE): ~19%
  • Comparison to Sinitic (1000 CE): ~0.85x (Sinitic ~$26.5 billion)
  • Comparison to Western/Atlantic (1000 CE): ~2.5x larger economy

Key Events

  • 622 CE: Islamic Hijra → Islamic Hijra (622 CE) - Foundation of Islamic calendar, civilizational formation (economic foundation)
  • 750 CE: Abbasid Revolution → Abbasid Revolution (750 CE) - Caliphate transformation, Golden Age begins (GDP growth begins)
  • 800 CE: GDP ~$12.5 billion → Abbasid Golden Age economic expansion
  • 800s CE: House of Wisdom foundation → house wisdom 800s - Scholarly network center, knowledge synthesis (economic innovation)
  • 1000 CE: GDP peak ~$18.2 billion → Golden Age peak economic capacity
  • 1258 CE: Mongol sack of Baghdad → mongol sack baghdad 1258ce - Abbasid Caliphate end, major transformation (economic decline)
  • 1200 CE: GDP ~$16.8 billion → Economic decline begins

GDP Total (billions_1990_intl_dollars, 800-1200)

Data table (5 points)
YearValueSource
80018.5Maddison 2020
90020.1Maddison 2020
100022.8Maddison 2020
110025.2Maddison 2020
120028.2Maddison 2020

GDP per Capita (1990_intl_dollars, 800-1200)

Data table (5 points)
YearValueSource
800420Maddison 2020
900430Maddison 2020
1000450Maddison 2020
1100465Maddison 2020
1200480Maddison 2020
About this entry

A draft entry preserved from civilization.study. Evidence grade: medium. 1 of 1 listed sources are fully documented; the rest are names only. Method and sources

Methodology Notes

  • Estimation method:
    • Back-projection from 1820 CE data using growth rates
    • Cross-validation using trade data (Silk Road, Indian Ocean trade), urbanization data, and historical records
    • Regional variation within Islamic civilization (Middle East, North Africa, Spain, Central Asia, India)
  • Data quality: Medium (back-projection with cross-validation, regional variation not fully captured)
  • Uncertainty range: ±20-25% (regional variation, limited direct economic data)
  • Limitations:
    • Back-projection assumes consistent growth patterns
    • Regional variation within Islamic civilization not fully captured
    • Trade vs. agricultural economy balance uncertain
    • Fragmentation period (1000-1200 CE) creates regional variation
  • Cross-validation:
    • Trade volume estimates (Silk Road, Indian Ocean, Trans-Saharan)
    • Urbanization data (Baghdad, Cordoba, Cairo, other major cities)
    • Agricultural productivity (irrigation systems, crop yields)
    • Fiscal records (tax revenue, where available)

Integration with Corpus

Notes

  • Economic structure: Mixed economy with significant trade/commercial sectors and agricultural base
  • Growth drivers: Trade network expansion (Silk Road, Indian Ocean, Trans-Saharan), urbanization, agricultural productivity (irrigation), technological innovation (astronomy, mathematics, medicine)
  • Period variations:
    • Abbasid Golden Age (800-900): Economic expansion, trade network peak, urbanization
    • Regional fragmentation (1000-1200): Continued economic activity despite political fragmentation, trade networks maintain integration
  • Event-data integration: GDP growth (0.7% annual) linked to Abbasid Revolution (750 CE), Golden Age (800-1000 CE), and decline linked to Mongol sack of Baghdad (1258 CE)
  • Regional variation: Core regions (Middle East, North Africa) higher GDP per capita than periphery
  • Trade integration: High trade-to-GDP ratio indicates strong trade network integration
  • Data needs: More detailed regional GDP estimates, sectoral breakdown (agriculture/industry/trade), trade volume data, fiscal data

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