exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released
exiobase ver 3.11 released








The Tool
EXIOBASE links economic activity to environmental impacts across countries and sectors.
It provides a consistent, peer-reviewed foundation for greenhouse gases emissions assessments, supply-chain modelling, and portfolio-level impact analysis.

Products
From cutting-edge research to actionable sustainability insights
EXIOBASE
The complete EXIOBASE multi-regional input–output model, including all underlying economic and environmental accounts.
Provides a consistent, economy-wide representation of global supply chains
Emission Factors
The complete EXIOBASE multi-regional input–output model, including all underlying economic and environmental accounts.
Provides a consistent, economy-wide representation of global supply chains.
Custom Solution
The complete EXIOBASE multi-regional input–output model, including all underlying economic and environmental accounts.
Provides a consistent, economy-wide representation of global supply chains
Impact Factors
The complete EXIOBASE multi-regional input–output model, including all underlying economic and environmental accounts.
Provides a consistent, economy-wide representation of global supply chains
Use Cases
Our products support sustainability workflows for enterprises, banks, consultancies, and SaaS providers
Scope 3 Assessments
Calculate upstream emissions.
Quickly identify emission hotspots across the value chain.
Ideal for categories like purchased goods, capital goods, and business travel.
Financed Emissions
Map financial investments to sector-level emissions.
Supports Scope 3 Category 15 when investee data is limited.
Enables portfolio-level climate and nature impact assessments.
Reporting
Fill data gaps with credible, peer-reviewed, science-backed dataset.
Aligns with ISSB, CSRD, PCAF and GHG Protocol guidance..
Impact
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academic and commercial organizations
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academic and commercial organizations
0+0+
academic and commercial organizations
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academic and commercial organizations
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academic and commercial organizations
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academic and commercial organizations
Team
Built by scientists for real-world decision-making
EXIOBASE is developed and maintained by researchers with deep expertise in environmental modelling, MRIO analysis, and sustainability science. Our team combines academic rigour with applied experience across academia, physical science, policy, finance, and industry. Learn more about us and our mission→
Knowledge Base
Our knowledge base covers core concepts, advanced topics, and real-world applications
Discover
Getting Started
What is EXIOBASE?
What is a multi-regional input-output (MRIO) model, in plain terms?
What is EXIOBASE used for?
What are emission factors?
Spend-based vs activity-based emission factors – what's the difference, and when do I use each?
How do I calculate a Scope 3 footprint with the spend-based factors? (quick start)
Who uses and recommends EXIOBASE?
Who is XIO Sustainability Analytics?
How is EXIOBASE used in policy making?
Discover
Data Coverage & Structure
What sectors (products and industries) are included?
What countries and regions are included?
Why "only" 44 countries and 5 RoW regions?
Why "only" 200 sectors?
What years are available, and what's the update cadence?
What data and reference years are used?
What are "now-cast" years, and can I use them for reporting?
How do versions differ, and what changes between them?
How do versions differ for commercial use?
How does EXIOBASE compare with other MRIO databases?
Discover
Choosing the Right Emission Factor
What is the difference between Standard, Standard Regional, Market-average and Regional Market-average factors?
Which factor should I use if I buy textiles from France but my company is in Italy?
I don't know where my purchased goods were produced – what do I do?
Should I match at supplier, invoice, or invoice-item level?
Discover
Emission Factors for Carbon Accounting
Are the factors provided with Scope 1, 2 and 3 breakdowns?
What if my supplier already provides Scope 1 and 2 figures?
Which GHG Protocol Scope 3 subcategories are covered?
Which GHGs are included, and which GWP factors?
Do the factors include biogenic emissions or carbon removals?
What's the difference between "climate change" and "deforestation" factors?
What are FLAG factors and how do I use them?
Are the factors cradle-to-gate or cradle-to-grave?
Can I use spend-based factors for a single product's carbon footprint?
How should I handle large changes between versions (re-baselining)?
What about downstream emissions (3.10–3.14)? (in development)