Atlas report

AI researchers in United States

Google (United States) is the largest, with 4 123 indexed researchers, barely ahead of Carnegie Mellon University at 2 905. No single place dominates here.

Published 19 September 2026, updated 19 October 2026.

Measured on the Founding Hires index of the AI research literature, 1 027 515 researchers, and refreshed every week.

The short answer

157 641 researchers in the index have an institution in the United States, the 2nd largest count among 132 countries.

Per million inhabitants, the United States has 464 AI researchers in the index against 89 worldwide, 5.2 times the world figure.

Among people who started since 2024, the subject gaining fastest in the United States is Big Data and Digital Economy: its share of newcomers is 4.7 times what it was over the three previous years, with 407 people starting on it.

What stands out

With 4.2% of the world's people and 22% of its indexed AI researchers, the United States runs at 5.2 times its demographic weight.

Industry employs 17% of the United States's indexed AI researchers; worldwide the share is 8.9%, so the country runs at 1.9 times the average.

The subject where the United States weighs most against the rest of the world is Reinforcement Learning in Robotics: 2.4% of its subject assignments work on it, 1.3 times the world share of 1.9%.

Subjects

Topic Modeling is the largest subject in the United States, carried by 8.8% of its subject assignments.

Subject reports: Natural Language Processing Techniques, Multimodal Machine Learning Applications, Reinforcement Learning in Robotics, Generative Adversarial Networks and Image Synthesis.

Subjects of 157 641 indexed researchers in United States, OpenAlex taxonomy, one person can carry several subjects.
SubjectResearchersShare hereShare worldwide
Topic Modeling25 9798.8%7.9%
Natural Language Processing Techniques14 1884.8%4.3%
Multimodal Machine Learning Applications11 4293.9%3.9%
Advanced Neural Network Applications9 8463.3%4.3%
Reinforcement Learning in Robotics7 0862.4%1.9%
Generative Adversarial Networks and Image Synthesis7 0162.4%2.6%
Teaching and Learning Programming1 2160.4%0.2%
Big Data and Digital Economy5370.2%0.1%

Newcomers by year

The United States gained 37 746 new researchers since 2024, 1.9 times the 19 991 of the three years before; the world ratio is 1.8.

The 2025 intake for the United States was 0.8 times the average of the three previous years, against 0.8 worldwide.

Researchers by year of first publication, up to 2025, the last full year indexed.
First publicationNew in United StatesShare of the world's newcomers
20194 96725%
20205 35726%
20215 70223%
20227 51522%
20236 77422%
20247 69426%
20256 22524%

Institutions

6.2% of the country's researchers sit in three institutions, led by Google (United States).

Google (United States) is the largest, with 4 123 indexed researchers, barely ahead of Carnegie Mellon University at 2 905. No single place dominates here. Everyone else sits in places too small to name without pointing at individuals.

Largest institutions by indexed researchers, named from twenty people.
InstitutionResearchersShare of the country
Google (United States)4 1232.6%
Carnegie Mellon University2 9051.8%
Georgia Institute of Technology2 7171.7%

Compared with its peers

Read against China and Germany, the two nearest countries by headcount, the differences are in the rates, not the totals. The gap that stands out is the share working in a company: 17% here against 7.5% for those two. Reports: AI researchers in China, AI researchers in Germany.

Same measures, three countries of similar size.
United StatesChinaGermany
Researchers157 641238 13232 275
Per million inhabitants464169382
In a company17%5.3%9.8%
Early career51%43%55%
Newcomers, recent against previous window1.92.51.1

Method

A country is where the institution sits, so someone who has moved and not yet published from the new address still counts at the old one. Counts move between two refreshes because the index grows every night. The method page sets out the sources and what each field leaves out.

Common questions

How many AI researchers are there in United States?
157 641 researchers in the Founding Hires index have an institution in United States, 22% of all profiles with a known country, as of October 2026. The index counts people who published AI research, so this is a floor on the field, not a census.
Where do you find AI researchers in United States?
Google (United States), 4 123, Carnegie Mellon University, 2 905, Georgia Institute of Technology, 2 717. Their most common subject is Topic Modeling, 8.8% of the country's subject assignments.
What is United States strongest in?
Reinforcement Learning in Robotics, at 1.3 times the world share.
Is the pool of AI researchers in United States growing?
Yes, at the world's pace. Since 2024, 37 746 people in United States published for the first time, against 19 991 over the three years before, a ratio of 1.9 where the world sits at 1.8.

The names behind the numbers

Every count on this page is a list in the index.

Search it by subject and country to find who leads the work today, and set an alert on the ones about to come free, for $179 a month or 149 € in the euro area. Or hand the search over and pay only when someone joins.