Atlas report
AI researchers in Greece
National Technical University of Athens is the largest, with 390 indexed researchers, 1.7 times Aristotle University of Thessaloniki behind it. One institution sets the tone for the country.
The short answer
2 673 researchers in the index have an institution in Greece, the 30th largest count among 133 countries.
The subject where Greece weighs most against the rest of the world is Context-Aware Activity Recognition Systems: 1.4% of its subject assignments work on it, 3.4 times the world share of 0.4%.
Greece counts 257 indexed AI researchers per million inhabitants, 2.9 times the world rate of 90.
What stands out
Among people who started between 2023 and 2025, the subject gaining fastest in Greece is Adversarial Robustness in Machine Learning: its share of newcomers is 2.2 times what it was over the three previous years, with 30 people starting on it.
With 0.1% of the world's people and 0.4% of its indexed AI researchers, Greece runs at 2.9 times its demographic weight.
5.7% of the AI researchers indexed in Greece sit in a company rather than a university, 64% of the world share of 8.8%.
The single most common subject is Topic Modeling, on which 4.6% of Greece's subject assignments fall.
Subjects
Subject reports: Natural Language Processing Techniques, Advanced Image and Video Retrieval Techniques, Multimodal Machine Learning Applications.
| Subject | Researchers | Share here | Share worldwide |
|---|---|---|---|
| Topic Modeling | 276 | 4.6% | 7.9% |
| Advanced Neural Network Applications | 190 | 3.2% | 4.4% |
| Natural Language Processing Techniques | 183 | 3.1% | 4.3% |
| IoT and Edge/Fog Computing | 162 | 2.7% | 0.8% |
| Semantic Web and Ontologies | 139 | 2.3% | 1.1% |
| Advanced Image and Video Retrieval Techniques | 111 | 1.9% | 1.9% |
| Multimodal Machine Learning Applications | 101 | 1.7% | 3.9% |
| Context-Aware Activity Recognition Systems | 86 | 1.4% | 0.4% |
Newcomers by year
Newcomers between 2023 and 2025 number 417 in Greece, against 433 between 2020 and 2022: a ratio of 1.0, where the world sits at 1.1.
The 2025 intake for Greece was 1.0 times the average of the three previous years, against 0.8 worldwide.
| First publication | New in Greece | Share of the world's newcomers |
|---|---|---|
| 2019 | 95 | 0.5% |
| 2020 | 111 | 0.5% |
| 2021 | 132 | 0.5% |
| 2022 | 190 | 0.6% |
| 2023 | 129 | 0.4% |
| 2024 | 140 | 0.5% |
| 2025 | 148 | 0.5% |
Institutions
The three largest institutions, National Technical University of Athens first, hold 30% of the country's indexed researchers.
National Technical University of Athens is the largest, with 390 indexed researchers, 1.7 times Aristotle University of Thessaloniki behind it. One institution sets the tone for the country.
| Institution | Researchers | Share of the country |
|---|---|---|
| National Technical University of Athens | 390 | 15% |
| Aristotle University of Thessaloniki | 232 | 8.7% |
| National and Kapodistrian University of Athens | 168 | 6.3% |
Compared with its peers
The two countries closest in size are Norway and Turkey. Same order of magnitude, different profile. The gap that stands out is the share working in a company: 5.7% here, below the 7.9% of those two.
| Greece | Norway | Turkey | |
|---|---|---|---|
| Researchers | 2 673 | 2 521 | 2 510 |
| Per million inhabitants | 257 | 458 | 29 |
| In a company | 5.7% | 12% | 3.7% |
| Early career | 49% | 47% | 53% |
| Newcomers, recent against previous window | 1.0 | 0.9 | 1.1 |
Common questions
- How many AI researchers are there in Greece?
- 2 673, as of November 2026, counting every indexed researcher with an institution in Greece. That is 0.4% of the profiles with a known country.
- Where do you find AI researchers in Greece?
- National Technical University of Athens, 390, Aristotle University of Thessaloniki, 232, National and Kapodistrian University of Athens, 168. Together they hold 30% of the country's indexed researchers.
- What is Greece strongest in?
- Context-Aware Activity Recognition Systems, at 3.4 times the world share.
- Is the pool of AI researchers in Greece growing?
- Yes, slower than the world. Between 2023 and 2025, 417 people in Greece published for the first time, against 433 over the three years before, a ratio of 1.0 where the world sits at 1.1.
The names behind the numbers
Every count on this page is a list in the index.
Search it by subject and country, and get an alert before they come free.