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Toutes les recherches ne se valent pas
For the past 12 months, data quality and panel reliability have been the number one concern for research buyers. Yet too many providers still cut corners, rely on patchwork third-party sources, and pass off volume as validity.
YouGov is different. We are the world’s most trusted market research provider, with methods proven in the toughest possible tests - from daily brand tracking to elections called seat by seat with unrivalled accuracy.
Entreprise d’études la plus citée au monde
Meltwater 2025
4,6
panel rating on Trustpilot
Plus de 29 millions
de panélistes inscrits
How YouGov keeps your data accurate
Dedication to data science
YouGov monitors accuracy continuously through proprietary safeguards and independent benchmarking. We're committed to maintaining a representative sample and accurate weighting methodology.
- Awareness Cross Entropy (ACE) : corrects volatility and ensures trend stability in tracking
- Multi-level Regression and Post-stratification (MRP) methodologies mean our election predictions are the most accurate
- Response Quality Score (RQS): detects inattentive panel behavior before results are processed
- Nationally representative data with robust statistical weighting methodologies
- Benchmarking against other providers for representativeness and reliability
- Human oversight and automated auditing to keep accuracy standards uncompromised
Continuous validation means you get confidence in your results - not just once, but every time you run research.
Survey design & fraud detection
Poor data quality costs organizations millions. YouGov is committed to improving response and panel quality, and increasing sample sizes, to drive further accuracy.
We build surveys people want to take - short, clear, and engaging, so responses are thoughtful and complete:
- Concise question design tested for comprehension and fatigue
- Real-time validation and logic checks to spot inconsistencies
- Automated quality flags to remove low-effort or rushed answers
- Continuous UX testing to refine clarity and respondent flow
Every question is crafted to capture intent accurately, giving you cleaner data from the start.
Accuracy proven, measured, and maintained
YouGov links every datapoint back to verified individuals through our connected data, building a continuous record you can trust.
- Long-term profiles linking demographics, declared, and behavioral data
- Historic answers compared against current responses to flag anomalies
- Reduced re-asking through stored known variables
- Data enrichment through permissioned integrations and contextual signals
YouGov's unrivalled data foundation turns isolated surveys into a connected view of people, making your insights more consistent and comparable over time.
Most quoted research company in the world
We're known for our dependable, connected data, and access to hard-to-reach demographics. That's why media and academic partners trust YouGov's data.
- Joint research centre with Cambridge University, The YouGov-Cambridge Centre for Public Opinion Research
- The New York Times said YouGov “stands apart….Its data has been analyzed by third parties, used by academics, and found to outperform other nonprobability data.
What do you get with the most trusted data around?
- Confidence in every decision, because insights match reality
- Stability over time, enabling long-term tracking and comparability
- Faster, cleaner results thanks to always-on quality checks
- Deeper context from connected data that builds value over time
Curious about what makes our data different?
Explore our latest thinking on connected data, methodology, and research. You'll find out more about how top ranking brands are using YouGov's high-quality data to inform impactful decisions and outperform competitors.
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FAQ : Qualité des données
Comment fait YouGov pour préserver la qualité de ses données ?
Nous nous efforçons de fournir des données d’une précision inégalée. La qualité des données de YouGov vient de son panel exclusif. Il existe de nombreuses façons de mesurer la qualité d’un panel. Ce qui est crucial, c’est de savoir s’il peut pleinement représenter la diversité d’une population selon des exigences statistiques strictes.
À quel point les données de YouGov sont-elles précises ?
Les données sont mises à jour en temps réel pour refléter l’évolution des tendances et des comportements. YouGov est réputé pour la précision de ses sondages et son rôle de pionnier avec le modèle MRP. Le New York Times attribue les performances de YouGov au processus de sélection de son panel de répondants, encore affiné par un échantillonnage sophistiqué.
Quelle est la taille du panel dont sont tirées les données de YouGov ?
Le panel exclusif de YouGov compte plus de 29 millions de membres enregistrés et couvre plus de 55 marchés. Contrairement à nos concurrents qui externalisent l’échantillonnage, nous continuons d’enrichir le panel le plus large et le plus représentatif du secteur auquel vous pouvez accéder directement. Ce sont la taille et la portée de notre panel qui nous permettent de fournir des analyses aussi précises.
Comment fait YouGov pour augmenter la précision des échantillons ?
Nous pondérons les résultats de nos enquêtes pour les affiner, afin qu'ils reflètent la population cible le plus fidèlement possible. Nous ajustons les critères démographiques tels que l’âge, le sexe et l’éducation pour capturer les caractéristiques et les intersections naturelles de la population réelle.
How is YouGov committed to maintaining a representative sample and accurate weighting methodology?
YouGov Profiles is our flagship audience intelligence product. It assembles data on a wide range of topics that are collected from diverse, overlapping samples. This results in the vast range of data available.
YouGov applies rigorous panel quality checks designed to deliver high quality data from verified respondents, helping ensure clean, trustworthy data from real people.
YouGov Profiles data benefits from our recent enhancement: the statistical methodology of hot deck imputation. Used by other official statistics organisations, such as the U.S. Census bureau, this approach allows us to statistically estimate representative data in cases where coverage may be limited across certain questions. Hot deck imputation can help to improve weighting accuracy, reduce data variability and improve the accuracy of population size estimates within YouGov Profiles.
Choisissez YouGov
Accédez à des données réelles et à une expertise en études de marché, alimentées par la réalité – des vraies personnes, en temps réel. Des insights qui vous aident à prendre de meilleures décisions stratégiques.
