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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. 5 — Kendal tau correlation between population (left) and net migration rates (right) from 1998–2018 based on Scopus and OpenAlex divided over different continental regions (X-axis). Each gray dot is one country’s correlation measure, and a jitter is added to the X-axis positioning of dots to reduce their overlap without substantive meaning. The blue boxplots and dots show the trend and the median (thick line) of the same data.