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The Nature Index tracks primary research articles from 178 applied, health, natural and social sciences journals, across many different publishers, chosen by an independent group of researchers. The Nature Index provides absolute Count of primary research articles and fractional Share counts of author contribution to articles. The positions in the table below reflect Ukraine's position overall, regionally, and in subject areas based on their Share. Each position links to the corresponding table where Ukraine is listed.
Position by research output Share
Position by research output Share in subject areas
Research
Ukraine has the following research output in the current window (1 June 2025 - 30 May 2026) of the Nature Index. Click on Count to view a list of articles representing the corresponding Share value.
Overall research output
| Count | Share | |
|---|---|---|
| Overall | 265 | 35.49 |
Overall Count and Share for 'Ukraine' based on the 12-month time frame mentioned above.
Research outputs by subject area
Note: Hover over the donut graph to view the Share for each subject.
Leading research topics
In the Current Index (12-month rolling window), Ukraine published the most articles in these research topics. Learn more about Nature Research Intelligence Topics.
| Topics | Count | Share |
|---|---|---|
| Organic Chemistry | 18 | 9.09 |
| Physical Chemistry | 7 | 3.14 |
| Macromolecular and Materials Chemistry | 13 | 2.78 |
| Astronomical Sciences | 14 | 2.55 |
| Condensed Matter Physics | 4 | 2.38 |
| Quantum Physics | 11 | 1.63 |
| Particle and High Energy Physics | 115 | 1.47 |
| Nanotechnology | 6 | 1.27 |
| Clinical Sciences | 9 | 1.20 |
Share output for the past 5 years
| Subject area or journal group | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Overall | 20.06 | 29.25 | 29.85 | 36.34 | 42.59 |
| Applied sciences | 3.21 | 1.63 | 3.96 | 4.04 | 5.50 |
| Health sciences | 0.74 | 3.22 | 5.74 | 7.27 | 6.37 |
| Natural sciences | 16.01 | 24.25 | 19.73 | 24.50 | 29.13 |
| Biological sciences | 1.24 | 1.07 | 0.28 | 3.35 | 1.29 |
| Chemistry | 5.59 | 10.52 | 8.36 | 6.86 | 14.63 |
| Earth & environmental sciences | 0.38 | 1.01 | 0.63 | 1.92 | 1.74 |
| Physical sciences | 8.80 | 11.65 | 10.46 | 12.37 | 11.47 |
| Social sciences | 0.10 | 0.14 | 0.41 | 0.53 | 1.58 |
| Nature & Science | 0.67 | 0.20 | 0.44 | 0.87 | 0.81 |
Country/territory benchmarking
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Collaboration
In many cases, the highest quality science comes from collaborating. Nature Index collaborations highlight fruitful collaborations that lead to high quality research around the world. The table and charts below highlight the leading collaborators with Ukraine.
Collaboration by percentage of Share
Note: Hover over the graph to view collaboration by percentage of Share.
Top 10 collaborators with Ukraine by Share
Note: Hover over the bars to view details about each institution's Share.
| Collaborating country/territory | Collaborators' Share | Collaboration Score |
|---|---|---|
| United States of America (USA) | 11.10 / 46.76 | 57.86 |
| Germany | 7.71 / 24.69 | 32.40 |
| China | 4.44 / 15.46 | 19.90 |
| Poland | 6.56 / 9.75 | 16.31 |
| Spain | 4.43 / 9.07 | 13.50 |
View historical country/territory collaboration
Top 10 institutions from Ukraine by Share
| Institution | Count | Share |
|---|---|---|
| 1. The National Academy of Sciences of Ukraine (NASU) | 173 | 9.40 |
| 2. Enamine | 23 | 6.36 |
| 3. Taras Shevchenko National University of Kyiv | 70 | 4.17 |
| 4. V.N. Karazin Kharkiv National University | 9 | 2.33 |
| 5. Kharkov Institute of Physics and Technology (KIPT) | 106 | 2.01 |
| 6. Ivan Franko National University of Lviv | 9 | 1.45 |
| 7. National Academy of Medical Sciences of Ukraine (NAMS) | 5 | 1.09 |
| 8. I.F.Lab | 1 | 0.83 |
| 9. Lviv Polytechnic National University (LPNU) | 6 | 0.62 |
| 10. Sumy National Agrarian University | 1 | 0.60 |
Latest supplements
Nature Index 2026 Biomedical engineering
From wearable sensors to advanced prosthetics and engineered tissues, biomedical engineering is producing new ways to understand the human body and improve patient care across the board. This supplement takes a look at the opportunities — and challenges — offered by wearable devices, the nations that are making their mark in the field according to Nature Index data, and the scientists who continue to advance the discipline through their research.
Nature Index 2026 Regenerative medicine
Regenerative medicine has the potential to transform the treatment of chronic and life-threatening diseases. But major challenges remain, such as overcoming immune rejection and ensuring that new therapies are developed using more inclusive data sets. In this supplement, we explore the discoveries that are driving the field, the barriers that could limit its progress, and the teams and institutions that are making their mark.
Numerical information only (in the tables above) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International.