Global Crowd

The crowd is an online community of people from every corner of the world coming together to create something huge. They’re an amazingly diverse group of individuals—students and professionals, mothers and veterans, teachers and gamers—each with a unique perspective to contribute to our global workforce.

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1 million+ contributors

Access to a curated crowd of more than 1M+ flexible contributors worldwide

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170+ countries

Crowd contributors working in 170+ countries

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235+ languages

Expertise in more than 235+ languages and dialects

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6+ billion judgements

more than 6 billion judgments made and 3 million images and videos collected

Appen Subject Matter Experts

Get access to the content you need from the people you’re looking for through a crowd curated just for you.


Quality Results

Human intelligence from a global crowd + expert service = high-quality training data for your ML projects.


Crowd Capabilities

Our diverse crowd promises unbiased AI data for fair and equitable projects.

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Data Collection

Get ethically sourced datasets that work for any use case so you can kickstart your AI project quickly.

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Data Annotation

Create accurate data and save time with a crowd that can quickly annotate data including text, video, images, and audio.

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Transcribe documents, images of documents, or website information. Choose which type works best for you and receive secure, accurate, and speedy transcriptions.

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Multilingual specialists evaluate the naturalness and relevance of text generated by NLP models.

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Speech Modeling

Get data for speech recognition, speech synthesis, and natural language understanding.

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Model Evaluation

Validate across an unparalleled range of real-world model use cases and demographics.

Our Crowd Code of Ethics

We are committed to providing opportunities to a global workforce with a focus on equity, inclusivity, and well-being.

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Fair Pay

We ensure our contributors are paid fairly and strive to provide above minimum wage compensation across our global markets. We also create opportunities for contributors to increase their earnings and develop their professional goals for long-term success.

Our Fair Pay program benefits our Crowd and communities. We ensure our global contributors are compensated fairly through built-in technology capabilities in our platform.

Appen is committed to making an impact and Fair Pay for our talented pool of 1M+ contributors is an essential part of our Code of Ethics.

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Diversity & Inclusion

A diverse, inclusive culture is vital to our mission of helping build better AI. We offer opportunities for individuals of all abilities and backgrounds.

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Crowd Voice

We stand by the fact that everyone has a valued voice at Appen, and feedback from our crowd helps us to continuously improve.

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Privacy & Confidentiality

Any information collected about the crowd is requested solely for the purposes of the project. We take precautions to protect that information and do not release private data on individuals to third parties without consent.

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We believe in helpful, transparent, and responsive lines of communication with the crowd.

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We promote wellness, community, and connections through online forums and best practices.

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Global Workforce

Expertise includes a global crowd of 1+ million skilled contributors who speak 235+ languages and dialects, in 70,000+ locations and 170+ countries.

Website for deploying AI with world class training data