European Coffee Market Report: Imports, Consumption and Buyer Trends
The European coffee market remains the world’s largest regional consumption market and one of the most important destinations for green coffee exporters. Europe accounted for approximately 30.7% of global coffee consumption in the 2023/2024 coffee year, equivalent to about 3.26 million tonnes. Although consumption volumes are expected to remain relatively stable, the market continues to expand in value through premiumisation, higher green coffee prices, specialty products, convenient formats and stronger buyer requirements for traceability, quality and responsible sourcing.
Europe imported approximately 3.3 million tonnes of green coffee in 2024, recovering from the lower volumes recorded in 2023. More than 95% of European coffee imports are green beans because the continent has a large roasting industry, established trading hubs, sophisticated quality-control infrastructure and consumer markets with different roast and flavour preferences. This structure creates significant opportunities for suppliers of commercial Robusta, Arabica, specialty coffee, certified coffee and origin-documented lots.
European coffee market overview
Europe is a mature coffee market with high household penetration, established café culture and extensive retail distribution. Coffee is consumed through supermarkets, traditional cafés, branded coffee chains, independent specialty shops, workplaces, hotels, restaurants and home-brewing systems.
The market’s main characteristics include:
- High per-capita consumption
- Large-scale imports of green coffee
- Strong domestic roasting industries
- Well-developed ports and storage infrastructure
- Demand for both Arabica and Robusta
- Growing specialty and premium segments
- Strong private-label activity
- Increasing sustainability and traceability requirements
- High buyer sensitivity to price, quality and supply reliability
The European market is relatively saturated in volume. Population growth and rising household incomes are therefore unlikely to produce rapid increases in the total amount consumed. Growth is expected to come mainly from products with a higher unit value, including specialty coffee, single-origin products, capsules, ready-to-drink formats, traceable coffee and differentiated private-label ranges.
European coffee consumption
Europe represented about 30.7% of worldwide coffee consumption in the 2023/2024 season. Total regional consumption reached approximately 3.26 million tonnes, making Europe the largest coffee-consuming region ahead of Asia-Pacific and North America.
Average European consumption was approximately 5.7 kilograms per person in 2023. Consumption differs considerably by country, brewing tradition and product format. Northern European countries frequently record high per-capita consumption, while Southern Europe has strong espresso-based traditions and significant out-of-home demand.
European consumers purchase coffee in several forms:
- Whole roasted beans
- Ground coffee
- Espresso blends
- Single-origin coffee
- Instant and soluble coffee
- Pods and capsules
- Filter coffee
- Cold brew and ready-to-drink beverages
- Decaffeinated and low-caffeine products
Total volume is expected to remain broadly stable, but the value of consumption may continue to rise because of higher raw-material costs, premiumisation and demand for products offering convenience, quality or verified origin.
European imports of green coffee
Europe sourced approximately 3.3 million tonnes of green coffee in 2024. Around 3.19 million tonnes came directly from coffee-producing countries, while smaller quantities arrived through global re-exporting markets or were redistributed between European countries.
Approximately 96.6% of European green coffee imports in 2024 were sourced directly from producing countries. This demonstrates that many European traders and roasters prefer direct origin relationships, particularly when they need control over quality, consistency, pricing and traceability.
The main reasons Europe imports predominantly green coffee are:
- Extensive European roasting capacity
- Buyer preference for controlling roast profiles
- Longer commercial flexibility and shelf life of green beans
- Established quality laboratories and storage systems
- Differences in consumer flavour preferences between countries
- Strong competition among European roasting brands
- Lower or zero import duties for green coffee compared with some processed products
Exporters seeking long-term access to Europe should therefore usually prioritise green coffee unless they have a specific buyer for roasted, soluble or private-label products.
Arabica and Robusta demand
European green coffee imports in 2024 consisted of approximately 70% Arabica and 30% Robusta. Both species remain commercially important, but their roles differ between buyer groups and national markets.
Arabica is commonly used for:
- Premium retail coffee
- Single-origin products
- Specialty roasting
- Filter and pour-over products
- Higher-value espresso blends
- Products marketed through flavour, altitude or origin stories
Robusta is commonly used for:
- Traditional espresso blends
- Commercial coffee ranges
- Instant and soluble coffee
- High-body and high-crema blends
- Price-sensitive private-label products
- Foodservice and vending applications
Italy imports a particularly high share of Robusta because of its espresso-blending tradition. Vietnam is therefore strategically positioned to serve Italian and other European buyers seeking consistent commercial Robusta, high-quality Fine Robusta, traceable regional lots and ingredients for soluble coffee.
Germany: Europe’s largest coffee import market
Germany is Europe’s largest importer of green coffee and its most influential coffee trading hub. German green coffee imports reached approximately 1.16 million tonnes in 2024, recovering from the lower volumes recorded in 2023.
About 91% of German imports were sourced directly from producing countries. Brazil was the largest supplier, followed by Vietnam, Honduras, Uganda, Colombia and Peru. Vietnam supplied approximately 182,000 tonnes of green coffee to Germany in 2024.
Germany offers opportunities for:
- Large-volume commercial coffee
- Robusta for blends and soluble production
- Certified coffee
- Specialty Arabica
- Fine Robusta
- Private-label supply
- Direct supply to small and medium roasters
Hamburg is one of Europe’s most important coffee ports and trading centres. Bremen and Bremerhaven also play important roles. Germany additionally redistributes significant quantities to neighbouring European markets, making it both a final consumer market and a gateway for regional distribution.
Italy: a major roasting and espresso market
Italy is Europe’s second-largest importer of green coffee. Imports reached approximately 655,000 tonnes in 2024, with more than 95% sourced directly from producing countries.
Brazil was Italy’s largest supplier, followed by Vietnam and Uganda. Vietnam supplied approximately 133,000 tonnes of green coffee to Italy in 2024. Italy imported about 243,000 tonnes of Robusta, representing approximately 39% of its green coffee imports and a substantially higher share than the European average.
Italian buyers commonly seek:
- Robusta with strong body and crema
- Consistent commercial grades
- Espresso-blend components
- Arabica for premium blends
- Reliable crop-to-crop specifications
- Competitive container-scale supply
- Private-label and foodservice solutions
The Italian market remains closely connected to traditional espresso culture, but opportunities are also developing in specialty coffee, premium whole beans, ready-to-drink products and differentiated regional origins.
Spain: a significant commercial and foodservice market
Spain is one of Europe’s major green coffee importers and an important market for commercial blends, hospitality, retail and soluble coffee. Its large tourism industry supports substantial demand from hotels, restaurants, cafés and institutional buyers.
Spanish buyers may seek:
- Commercial Arabica and Robusta
- Espresso blends
- Foodservice coffee
- Private-label products
- Soluble coffee ingredients
- Certified and traceable products
- Competitive bulk supply
Exporters targeting Spain should understand the buyer’s roast style, expected defect tolerance, moisture specification, packaging format and price positioning. The market contains both large industrial roasters and smaller specialty-focused businesses.
Belgium: a strategic European coffee hub
Belgium imported approximately 278,000 tonnes of green coffee in 2024 and remains one of Europe’s leading trade and redistribution centres. Antwerp offers extensive port, warehouse and logistics capacity, allowing coffee to be stored and redistributed to France, Spain, Germany, the Netherlands and other European markets.
Belgium is relevant for exporters because buyers may serve several countries from one import position. A supplier entering Belgium may therefore reach roasters and distributors outside Belgium itself.
Belgian buyers commonly value:
- Reliable container logistics
- Warehouse-compatible documentation
- Clear lot identification
- Flexible redistribution options
- Quality consistency
- Traceability and certification
- Prompt availability of shipping documents
The Netherlands: direct sourcing and regional distribution
The Netherlands imported approximately 222,400 tonnes of green coffee in 2024. Dutch companies have increased direct sourcing from producing countries and reduced their earlier dependence on coffee entering through Belgium.
The Netherlands combines:
- Green coffee importing
- European redistribution
- Large-scale roasting
- Roasted coffee exports
- Specialty coffee trading
- Sustainability-led sourcing
- Private-label manufacturing
Dutch buyers are often active in responsible sourcing, direct trade, specialty coffee and innovative consumer products. The market may therefore offer opportunities for Vietnamese suppliers able to combine commercial reliability with transparent origin information.
Switzerland and the wider European market
Switzerland is not an EU member but remains one of Europe’s most important coffee trading, roasting and brand-management centres. Several international coffee companies operate from Switzerland, and the country imports substantial quantities of green coffee for domestic roasting, processing and re-export.
Other relevant European markets include:
- France
- United Kingdom
- Poland
- Austria
- Portugal
- Czech Republic
- Scandinavian countries
- Central and Eastern European markets
Each market differs in roast preferences, retail structure, coffee-shop culture, certification demand and tolerance for premium pricing. Exporters should therefore avoid treating Europe as one uniform buyer market.
Europe’s major coffee trading hubs
Germany and Belgium are the principal European hubs for green coffee redistribution. In 2024, Germany re-exported large quantities to Poland, Spain, the Netherlands, the Czech Republic and other neighbouring markets. Belgium redistributed significant volumes to France, Spain, Germany and the Netherlands.
The main advantages of working with a trading hub include:
- Access to buyers in several countries
- Established warehouse infrastructure
- Specialised coffee finance and logistics
- Quality-testing facilities
- Options for spot and forward sales
- Experienced customs and documentation services
The disadvantage is that hub markets are highly competitive. Exporters may compete against suppliers from Brazil, Colombia, Honduras, Uganda, Ethiopia, Peru, India and other major origins.
European buyer categories
European coffee buyers can be divided into several broad groups:
| Buyer type | Typical purchasing focus | Common supplier expectations |
|---|---|---|
| Large international traders | High-volume commercial and certified coffee | Scale, competitive pricing, risk control, documentation and reliable shipment |
| Industrial roasters | Consistent blend components | Stable specifications, repeatability, food safety and supply continuity |
| Private-label manufacturers | Retail and foodservice programmes | Price consistency, packaging options, product development and compliance |
| Specialty importers | Distinctive high-quality lots | Traceability, cup quality, producer information and transparent pricing |
| Micro-roasters | Small specialty and single-origin lots | Fresh crop, flavour differentiation, flexible volumes and origin story |
| Soluble coffee manufacturers | Robusta, commercial Arabica and extracts | Industrial consistency, extraction performance, volume and competitive cost |
| Foodservice distributors | Espresso, filter, vending and hotel products | Reliable supply, practical packaging and consistent flavour |
Commercial coffee remains the largest segment
Commercial coffee continues to represent the largest share of European imports. Large roasters, traders, supermarket suppliers, vending companies and soluble coffee manufacturers require substantial volumes of standardised coffee.
Commercial buyers typically prioritise:
- Competitive pricing
- Consistent screen and defect specifications
- Reliable monthly or seasonal volume
- Stable cup profile
- Moisture control
- Prompt documentation
- Shipment reliability
- Ability to manage claims and replacements
Vietnamese Robusta is well positioned in this segment because of its availability, strong flavour contribution, suitability for espresso and instant products and established international supply infrastructure.
Specialty coffee continues to grow
The specialty coffee segment represents a smaller share of total European volume but offers higher value and stronger differentiation. Demand is particularly visible in Northwestern Europe, the United Kingdom, Germany, the Netherlands, France and Scandinavian markets.
Specialty buyers commonly evaluate:
- Cupping score
- Flavour clarity
- Sweetness and acidity
- Defect control
- Processing method
- Harvest and lot separation
- Farm or producer traceability
- Environmental and social practices
Growth in independent coffee shops, micro-roasters and direct-to-consumer brands supports demand for high-quality single origins and distinctive processing methods. Europe had more than 51,000 branded coffee-shop outlets in 2025, while the number of independent specialty cafés and small roasters also continued to rise.
Vietnamese exporters can target this segment with Fine Robusta, high-altitude Arabica, carefully processed natural and honey lots, controlled fermentation and physically separated regional coffees. Buyers interested in regional differentiation can review Vietnam’s coffee origins and growing areas.
Premiumisation without strong volume growth
European coffee consumption is expected to remain relatively stable in volume, but buyers and consumers increasingly spend more per kilogram on differentiated products. This premiumisation trend is driven by:
- Specialty coffee
- Higher-quality whole beans
- Single-origin products
- Traceable coffee
- Convenient single-serve formats
- Premium private-label ranges
- Cold brew and ready-to-drink products
- Distinctive processing methods
Exporters should not assume that premiumisation means every consumer will pay more. European retail remains highly competitive, and many households continue to purchase discounted or private-label products. The market is becoming more segmented rather than uniformly premium.
Private-label coffee demand
Private-label products represent an important part of European supermarket and foodservice sales. Retailers use private labels to compete on price, quality, sustainability, convenience and product exclusivity.
Private-label buyers may request:
- Green coffee for local roasting
- Finished roasted beans
- Ground coffee
- Capsules or pods
- Instant coffee
- Three-in-one products
- Custom espresso blends
- Organic or certified ranges
- Retail-ready packaging
Suppliers of finished products must satisfy packaging, labelling, food-safety, shelf-life and product-consistency requirements. Buyers may also require exclusivity, recipe confidentiality and the ability to manage repeat orders across several markets.
Ready-to-drink and convenience trends
European demand for ready-to-drink coffee is increasing as consumers seek convenience, portability, product variety and café-style beverages outside traditional coffee shops.
Growing formats include:
- Bottled iced coffee
- Canned coffee
- Cold brew
- Nitro coffee
- Protein coffee beverages
- Low-sugar coffee drinks
- Plant-based milk coffee beverages
- Premium chilled espresso drinks
This trend primarily benefits exporters able to supply soluble coffee, extracts, concentrates, roasted ingredients or finished private-label beverages. Green coffee suppliers can participate by targeting manufacturers that produce these formats for retail chains and branded companies.
Decaffeinated and lower-caffeine demand
Health awareness and changing consumption habits are increasing interest in decaffeinated and lower-caffeine coffee. Decaf is increasingly marketed as a deliberate lifestyle choice rather than an inferior substitute.
Buyer opportunities may exist for:
- Decaffeinated green coffee
- Decaffeinated roasted coffee
- Low-caffeine varieties
- Evening-consumption products
- Premium decaf specialty coffee
- Ready-to-drink decaf products
Suppliers should disclose the decaffeination method, residual caffeine specification, processing location, certification status and impact on flavour.
Certified coffee demand
Europe remains the world’s largest market for certified coffee, including Rainforest Alliance, Fairtrade and organic products. Certification demand varies significantly between countries and buyer groups.
In 2024, Rainforest Alliance-certified coffee represented approximately 22.7% of European green coffee imports. Demand is particularly important among large retailers, multinational brands and companies with public responsible-sourcing commitments.
Certification can support market access by providing:
- Farmer registration
- Internal control systems
- Environmental criteria
- Social criteria
- Chain-of-custody information
- Independent audits
However, certification does not automatically guarantee a sale or a price premium. Some certified segments are mature or stagnant, and buyers may require traceability and regulatory evidence beyond the certification standard.
EUDR and traceability requirements
The EU Deforestation Regulation is reshaping European coffee purchasing. Buyers need information connecting relevant coffee products with the plots where the coffee was grown, together with evidence of deforestation-free and legal production.
Suppliers should be prepared to provide:
- Farmer and farm identification
- Plot identification
- Point coordinates or polygons
- Production periods
- Land-use information
- Legal-production evidence
- Deforestation-screening records
- Lot-to-shipment traceability
- Quantity reconciliation
Vietnam’s current low-risk classification under the EU benchmarking system may allow qualifying supply chains to use simplified due diligence. It does not remove the core information, geolocation and traceability requirements.
Suppliers should integrate EUDR data with documented coffee quality, traceability and compliance controls rather than treating regulatory information as a separate file created only before shipment.
Buyer demand for transparency
European buyers increasingly expect transparency beyond country-level origin. Depending on the segment, they may request information concerning:
- Province or production region
- Farm or cooperative
- Altitude
- Variety
- Processing method
- Harvest period
- Farmer payment structure
- Environmental practices
- Carbon or climate projects
- Supply-chain intermediaries
Specialty buyers may use this information for product storytelling, while larger buyers may use it for risk management, sustainability reporting and regulatory compliance.
Regenerative agriculture and climate resilience
Regenerative agriculture is becoming more important in European coffee sourcing. Buyers and brands are developing programmes focused on soil health, shade management, water conservation, biodiversity, reduced chemical use and climate adaptation.
Suppliers may be asked to document:
- Shade-tree coverage
- Soil-management practices
- Use of organic matter
- Water-management systems
- Fertiliser and pesticide use
- Farmer training
- Climate-resilience measures
- Yield and soil improvements
These programmes may create longer-term buyer relationships, but exporters should clarify who pays for data collection, farmer support, audits and implementation.
High prices and market volatility
Coffee prices increased substantially between 2020 and 2025 because of supply constraints, weather problems, stronger global demand, higher logistics and production costs and commodity-market volatility.
Higher prices affect European buyers by encouraging:
- More frequent contract renegotiation
- Shorter purchasing commitments
- Increased use of spot buying
- Greater attention to inventory levels
- Substitution between origins
- Changes in blend composition
- Growth of lower-priced retail formats
- Stronger pressure on supplier payment terms
Retail consumers may respond by brewing more coffee at home, choosing private-label products, buying smaller packs or switching to lower-cost blends. At the same time, committed specialty consumers may continue purchasing premium products but reduce frequency or quantity.
Supply reliability is becoming more valuable
European buyers increasingly evaluate suppliers not only by price but also by their ability to deliver consistent quality and quantity under volatile conditions.
Reliability indicators include:
- Realistic crop forecasts
- Stable farmer and supplier networks
- Accurate production estimates
- Warehouse capacity
- Quality-control procedures
- Contingency planning
- Prompt shipping documentation
- Clear communication about delays
- Ability to replace rejected lots
A supplier that communicates early and provides accurate information may be more valuable than a lower-priced supplier that regularly misses specifications or shipment dates.
Quality expectations of European buyers
Quality requirements vary by market segment, but buyers commonly evaluate:
- Moisture content
- Water activity
- Screen distribution
- Defect count
- Foreign matter
- Bean colour and odour
- Cup profile
- Crop year
- Processing consistency
- Packaging condition
Commercial buyers prioritise repeatability and conformity with contract specifications. Specialty buyers place greater emphasis on flavour differentiation, clean cups, lot separation and production transparency.
Pre-shipment samples should accurately represent the final commercial lot. Differences between an approved sample and the shipped product can damage buyer confidence and lead to claims, discounts or rejection.
Food-safety and documentation requirements
European coffee buyers expect compliance with applicable food-safety, contaminant and documentation rules. Requirements may include controls for pesticide residues, mycotoxins, mineral oils, foreign matter and other hazards relevant to the product and processing method.
A typical export file may include:
- Commercial invoice
- Packing list
- Bill of lading
- Certificate of origin
- Phytosanitary certificate when required
- Quality certificate
- Weight certificate
- Fumigation or treatment documents when applicable
- Laboratory reports
- Insurance documents
- EUDR-related information
Document consistency is important. Product name, quantity, lot number, container number, origin and buyer information should not conflict across the shipment file.
Packaging expectations
Green coffee is commonly shipped in jute bags, lined bags, vacuum packaging, boxes or bulk-container systems depending on quality level, lot size and buyer preference.
European buyers may request:
- Standard export bags
- GrainPro or equivalent liners
- Vacuum-packed specialty coffee
- 30-kilogram or 60-kilogram bags
- Bulk container liners
- Palletised cargo
- Custom marks and lot labels
High-value microlots generally require stronger protection against moisture, odour and quality deterioration. Commercial coffee buyers may prioritise loading efficiency and cost.
Direct trade and shorter supply chains
Some European specialty roasters and medium-sized importers seek direct relationships with producers and exporters. Direct sourcing can improve access to origin information, product differentiation and long-term quality development.
Direct relationships may require suppliers to provide:
- Consistent communication
- Small or flexible lot sizes
- Reliable samples
- Transparent pricing
- Producer information
- Quality-improvement cooperation
- Detailed shipping coordination
Direct trade does not eliminate commercial intermediaries in every case. Many buyers continue to use specialist importers for financing, warehousing, quality assurance and risk management.
Digital buyer engagement
European buyers increasingly discover suppliers through digital channels, online trade events, industry databases and direct professional outreach. However, generic messages and unsupported product claims rarely produce strong results.
An effective supplier presentation should include:
- Company profile
- Available coffee types
- Origins and harvest periods
- Processing methods
- Specifications
- Available quantities
- Certifications
- Traceability capability
- Packaging options
- Shipment ports
- Sample procedure
Professional photographs, concise specification sheets and accurate commercial information are more useful than broad claims such as “best quality” or “lowest price.”
Opportunities for Vietnamese coffee suppliers
Vietnam is well positioned to serve several European buyer segments because of its large Robusta production, growing specialty sector, established processing capacity and ability to supply green, roasted and soluble products.
Potential opportunities include:
- Commercial Robusta for industrial roasters
- Robusta for Italian espresso blends
- Fine Robusta for specialty roasters
- High-altitude Arabica from Da Lat and Lam Dong
- Natural, washed and honey-processed lots
- Single-origin regional coffee
- Spray-dried and freeze-dried instant coffee
- Private-label roasted coffee
- Custom espresso blends
- Traceable EUDR-ready supply programmes
The strongest opportunities are likely to come from combining Vietnam’s volume advantages with better lot separation, quality control, origin documentation and buyer-specific product development.
Challenges facing Vietnamese exporters
Vietnamese suppliers also face several challenges in the European market:
- Strong competition from established origins
- Buyer perception of Vietnam as mainly a commercial Robusta supplier
- Need for reliable plot-level traceability
- Inconsistent quality between shipments
- Limited differentiation in some export offers
- Price volatility
- Complex buyer and regulatory documentation
- Need for faster and more professional communication
Exporters can reduce these challenges by developing precise specifications, separating lots by region and quality, investing in sample preparation and building traceability before commercial negotiations begin.
How European buyers evaluate new suppliers
A European buyer may evaluate a new supplier through several stages:
- Reviewing the company profile and product range
- Checking legal identity and export experience
- Requesting product specifications
- Reviewing certifications and traceability systems
- Evaluating samples
- Comparing price and shipment terms
- Reviewing references or previous customers
- Placing a trial order
- Assessing shipment performance
- Deciding whether to establish a recurring programme
The first order is often a test of communication, documentation and reliability as much as a test of the coffee itself.
European coffee buyer checklist
Before approaching a buyer, exporters should confirm:
- Target country and buyer type
- Commercial or specialty segment
- Arabica, Robusta or blend requirement
- Required processing method
- Minimum and maximum quantity
- Quality and cup specifications
- Certification requirements
- EUDR data availability
- Packaging requirements
- Price basis and Incoterm
- Shipment window
- Sample approval procedure
Recommended market-entry approach
- Select the European countries that match the coffee type.
- Identify importers, traders, roasters or manufacturers serving the target segment.
- Prepare clear product and company documentation.
- Define available quantities and crop periods.
- Validate quality before sending samples.
- Prepare plot and traceability information.
- Offer commercial terms appropriate to the buyer.
- Respond promptly to technical questions.
- Use a trial shipment to demonstrate reliability.
- Develop recurring supply based on performance and feedback.
Exporters can review structured coffee export, documentation and supply services when preparing an offer for European buyers.
Market outlook
European coffee consumption is expected to remain stable in volume over the short term, while market value continues to be influenced by higher prices and premiumisation. The region will remain an essential destination for green coffee because of its large roasting sector and developed trading infrastructure.
The most important market developments are expected to include:
- Continued demand for commercial green coffee
- Growth of specialty and premium products
- Expansion of ready-to-drink coffee
- Increasing interest in decaf and lower-caffeine formats
- Greater demand for traceability and verified origin
- Stronger EUDR implementation
- More buyer attention to climate resilience
- Continued price and supply volatility
- Growth in private-label and convenient formats
Europe will remain highly competitive. Suppliers that rely only on price may face pressure from larger origins, while suppliers that combine quality, reliability, documentation and market-specific product development can build more durable buyer relationships.
Final assessment
The European coffee market offers substantial opportunities for exporters, but success depends on selecting the correct buyer segment and meeting increasingly detailed commercial, quality and traceability requirements. Europe imported approximately 3.3 million tonnes of green coffee in 2024 and consumed about 3.26 million tonnes in the 2023/2024 coffee year. Germany, Italy, Spain, Belgium, Switzerland and the Netherlands remain central markets and trading locations.
Commercial coffee continues to represent the largest volume, while specialty coffee, ready-to-drink products, premium private labels, decaf and traceable products create value-growth opportunities. European buyers increasingly expect suppliers to combine competitive pricing with consistent quality, dependable logistics, EUDR-ready origin data and professional documentation.
Businesses seeking Vietnamese Robusta, Arabica, specialty, roasted or instant coffee for European markets can submit a customised wholesale coffee inquiry specifying the target country, product type, quality, quantity, processing method, packaging, certification and traceability requirements.