Data card
Greco-Roman/Mediterranean GDP Data 100-300 CE
GDP and GDP per capita estimates for Greco-Roman/Mediterranean civilization during Roman Empire peak period (100-300 CE), showing economic integration and high civilizational capacity.
Greco-RomanData Summary
- GDP (100 CE): ~$22.5 billion (1990 international $)
- GDP per capita (100 CE): ~$500 (1990 international $)
- GDP (200 CE): ~$30.0 billion (1990 international $)
- GDP per capita (200 CE): ~$500 (1990 international $)
- GDP (300 CE): ~$25.0 billion (1990 international $)
- GDP per capita (300 CE): ~$450 (1990 international $)
- Trend: Peak in 200 CE, then decline (linked to population decline, disease ecology, political instability)
- Confidence: Medium (back-projection with historical validation, Scheidel 2009 provides detailed estimates)
- Source: Maddison Project Database 2020, Scheidel 2009
- Period: 100-300 CE (Roman Empire peak through crisis of third century)
Polity Context
- Primary Polity: Roman Empire (27 BCE-476 CE Western, 1453 CE Eastern) - Data applies to Roman Empire during this period
- Note: This data represents civilization-level aggregates; specific polities within the civilization may vary
Time Series Data
| Year | GDP (billions, 1990 $) | GDP per capita (1990 $) | Source | Notes |
|---|---|---|---|---|
| 100 | 22.5 | 500 | Maddison 2020 | Early Empire, economic integration |
| 150 | 26.5 | 500 | Maddison 2020 | Peak period, Pax Romana |
| 200 | 30.0 | 500 | Maddison 2020 | Maximum extent, economic peak |
| 250 | 27.5 | 480 | Maddison 2020 | Crisis of third century begins |
| 300 | 25.0 | 450 | Maddison 2020 | Recovery, but below peak |
Comparative Context
- Regional average (Mediterranean, 200 CE): ~$30 billion
- Global average (200 CE): ~$120 billion
- Ranking: 1st-2nd largest economy globally (100-300 CE)
- % of world GDP (200 CE): ~25%
- Comparison to Sinitic (200 CE): Roughly equivalent or slightly larger
- Comparison to later Western/Atlantic (1500 CE): ~0.5x (Western/Atlantic $24.5B vs Roman $30B peak, but per capita higher in 1500)
Key Events
- 100-200 CE: Economic expansion period → Roman Empire Established (27 BCE) - Pax Romana benefits, peak integration
- 200 CE: GDP peak (~$30 billion) → Peak economic capacity, maximum territorial extent
- 165-180 CE: Antonine Plague → antonine plague 165ce - Major demographic shock, population decline (contributes to later GDP decline)
- 249-262 CE: Cyprian Plague → cyprian plague 249ce - Demographic crisis (contributes to GDP decline)
- 250-300 CE: Crisis of Third Century → Crisis of the Third Century (250 CE) - Political instability, economic decline, GDP decline (250-300 CE)
- 300 CE: GDP decline (~$25 billion) → Recovery below peak, linked to population decline and fiscal strain
GDP Total (billions_1990_intl_dollars, 100-300)
Data table (5 points)
| Year | Value | Source |
|---|---|---|
| 100 | 22.5 | Maddison 2020 |
| 150 | 26.5 | Maddison 2020 |
| 200 | 30 | Maddison 2020 |
| 250 | 27.5 | Maddison 2020 |
| 300 | 25 | Maddison 2020 |
GDP per Capita (1990_intl_dollars, 100-300)
Data table (5 points)
| Year | Value | Source |
|---|---|---|
| 100 | 500 | Maddison 2020 |
| 150 | 500 | Maddison 2020 |
| 200 | 500 | Maddison 2020 |
| 250 | 480 | Maddison 2020 |
| 300 | 450 | Maddison 2020 |
About this entry
A draft entry preserved from civilization.study. Evidence grade: medium. 2 of 2 listed sources are fully documented; the rest are names only. Method and sources
Methodology Notes
- Estimation method:
- Back-projection from later data using growth rates
- Scheidel 2009 provides detailed estimates for Roman economy using archaeological evidence, tax records, and comparative analysis
- Cross-validation using agricultural productivity, urbanization, trade data, and fiscal records
- Data quality: Medium (estimates validated by Scheidel 2009 detailed analysis, but uncertainty increases with time)
- Uncertainty range: ±20-25% for 100-300 CE period
- Limitations:
- Back-projection assumes consistent growth patterns
- Limited direct economic data for pre-modern period
- Regional variation within Roman Empire not captured (Italy vs. provinces)
- Agricultural vs. commercial economy balance uncertain
- Decline period (250-300 CE) has higher uncertainty
- Cross-validation:
- Agricultural productivity estimates (grain yields, cultivated area)
- Urbanization data (city size, number of cities)
- Trade volume estimates (Mediterranean trade, long-distance routes)
- Fiscal records (tax revenue, where available)
- Archaeological evidence (pottery, coins, infrastructure)
Integration with Corpus
- Links to claims: Greco-Roman / Mediterranean Civilization (supports GGS Style axis assessment)
- Supports patterns:
- Guns–Germs–Style (GGS) Axes and Success/Failure Mechanisms (high GDP supports strong Style axis - institutional capacity, economic coordination, fiscal systems)
- Fiscal Systems and State Capacity (large economy enables fiscal capacity and state coordination)
- Economic Specialization and Division of Labor (GDP indicates economic specialization and surplus generation)
- GGS implications:
- Style axis: High GDP supports strong Style axis assessment - large economy requires and demonstrates institutional capacity (legal systems, fiscal coordination, market integration, imperial administration)
- Guns axis: Large economy enables military capacity through fiscal resources (army about 0.55–0.75% of total population, AD 24–211, estimated, low confidence; largest standing army globally)
- Economic dynamism: GDP peak (200 CE) and decline (250-300 CE) indicates civilizational resilience and vulnerability
- Comparative advantage: Largest global economy (100-200 CE) indicates strong civilizational capacity and coordination
- Decline factors: GDP decline (250-300 CE) linked to population decline (disease ecology), political instability (crisis of third century), and fiscal strain
- Framework integration:
- CAD: Institutional domain, persistence/transformation mechanisms, Style framework
- Economic systems: Supports Economic Systems Across Civilizations with quantitative evidence
- Fiscal systems: Large GDP enables fiscal capacity analysis in Fiscal Systems and State Capacity
- Population link: GDP decline correlates with population decline (see Roman Population Data 100-300 CE)
- Military link: GDP enables large military (see Roman Military Size Data 100-300 CE)
Notes
- Economic structure: Primarily agricultural economy with significant commercial/urban sectors, extensive trade networks
- Growth drivers: Agricultural productivity (Mediterranean crops, irrigation), commercial expansion (Mediterranean trade, long-distance routes), urbanization, infrastructure investment (roads, aqueducts, ports)
- Period variations:
- 100-200 CE: Economic expansion, peak integration, Pax Romana benefits
- 200-250 CE: Peak economic capacity, maximum territorial extent
- 250-300 CE: Economic decline, crisis of third century, population decline, fiscal strain
- Regional variation: Core regions (Italy, Egypt) higher GDP per capita than periphery provinces
- Decline factors:
- Population decline (disease ecology - Antonine Plague, Cyprian Plague)
- Political instability (crisis of third century, succession crises)
- Fiscal strain (military costs, infrastructure maintenance)
- Trade disruption (barbarian incursions, piracy)
- Event-data integration: GDP decline (250-300 CE) linked to Antonine Plague (165-180 CE), Cyprian Plague (249-262 CE), and Crisis of Third Century (250-300 CE)
- Data needs: More detailed regional GDP estimates, sectoral breakdown (agriculture/industry/services), trade volume data, fiscal revenue data