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. 2024 Jul 24;11:816. doi: 10.1038/s41597-024-03655-9

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Bilateral flows of scholarly migration between the 15 pairs of countries with the highest exchanges based on Scopus (top) and OpenAlex (bottom). The numbers printed in cells are the actual count of scholars who moved from the source country (Y-axis) to the destination country (X-axis). The colors are based on the normalized flow of migrants. Normalization is done by dividing the total flow of scholars between each country pair by the total outflow from the source country times the total inflow to the destination country.