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In the EB-1B, how many letters from colleagues do I need?

There is no minimum number of letters for EB-1B; 3 to 5 letters from colleagues evidencing academic recognition are recommended, always accompanied by solid documentation and personalized evaluation.

Written by

Victoria Harper

Editor-in-Chief

Updated on February 11, 2026
2 min read
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The EB-1B visa is aimed at outstanding professors and researchers, and one of the important aspects when assembling the application is the submission of evidence demonstrating significant recognition in the field. Among this evidence are support letters from specialized colleagues. It is essential to clarify that the United States Citizenship and Immigration Services (USCIS) does not specify an exact or minimum number of recommendation letters for the EB-1B. In practice, the quality of the letters usually carries more weight than the quantity.

Many applicants choose to include between three to five letters, as this range allows for a consistent and diversified demonstration of international recognition or prestige in their field of expertise. However, each case can be different, and the ideal number may vary based on the strength of the other elements in your file.

In addition to the letters, it is important to gather robust documentation that evidences your academic production, publications, awards, and other indicators that prove excellence and contribution to the field of research or teaching. We reinforce the recommendation to always strictly follow United States immigration laws and, if necessary, consult specialized professionals – always with caution to avoid dubious schemes or promises guaranteeing specific results.

Careful preparation of your application, combined with a detailed analysis of your profile, can make all the difference in the evaluation of your case. Remember: each case is unique and a complete review of your history is crucial to determine the best strategy and amount of evidence to be presented.

Learn more about EB-1 Visa

Category
EB-1 Green Card (1st priority)
Requirement
Extraordinary ability
Self-petition
Allowed (no sponsor needed)
Processing
6-18 months
All about EB-1 Visa
Victoria Harper

Editor-in-Chief

Meet the author

Leading journalism and editorial content at Visto n’ Visa, Victoria helps make immigration topics clear, trustworthy, and easy to understand. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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In the EB-1B, how many letters from colleagues do I need?

There is no minimum number of letters for EB-1B; 3 to 5 letters from colleagues evidencing academic recognition are recommended, always accompanied by solid documentation and personalized evaluation.

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