Tag Archives | Multiverse Analysis

How Robust Are Country Rankings in Educational Mobility?

Ely Strömberg, Per Engzell

Sociological Science December 11, 2025
10.15195/v12.a36


We investigate the impact of analytical choices on country comparisons in intergenerational educational mobility using a multiverse approach. A literature survey gives rise to 2,880 plausible ways of measuring educational mobility, which we apply to European Social Survey data from 16 countries. Although some countries consistently appear at the top or bottom of the mobility rankings, most show substantial variation. Beyond our methodological contribution, we report two substantive findings. First, some countries often characterized as low-mobility emerge as matching or surpassing the egalitarian Nordic countries, reinforcing the view that wider mobility differences cannot be attributed solely to the education system but must be sought elsewhere, such as the labor market. Second, the choice of parameter—such as regression coefficients, correlations, or categorical measures—is the single most influential factor that shifts country rankings. As different parameters carry distinct theoretical meanings, researchers should treat parameter choice not merely as a robustness check but as an opportunity to test and refine competing theories.
Creative Commons LicenseThis work is licensed under a Creative Commons Attribution 4.0 International License.

Ely Strömberg: Department of Sociology, University of Amsterdam.
E-mail: e.o.stromberg@uva.nl
Per Engzell: UCL Social Research Institute, University College London; Swedish Institute for Social Research, Stockholm University.
E-mail: p.engzell@ucl.ac.uk

Acknowledgments: Per Engzell acknowledges funding from the European Research Coun- cil, grant no. 101165962 (MaMo). Earlier versions of this work were presented at the 2023 Spring Meeting of the ISA Research Committee 28 on Social Stratification and Mobility (RC28) in Paris, the 2024 Conference of the European Consortium for Sociolog- ical Research (ECSR) in Barcelona, and in seminars at the Swedish Institute for Social Research (SOFI) and the Amsterdam Institute for Social Science Research (AISSR). For comments that improved the manuscript, we thank Editor-in-Chief Arnout van de Rijt, Deputy Editor Kristian Karlson, two external reviewers, as well as Adam Altmejd, Krzysztof Czarnecki, Harry Ganzeboom, Jan Helmdag, Mike Hout, Linda Kridahl, Liliya Leopold, Silke Schneider, Edvin Syk, Max Thaning, Jens-Peter Thomsen, An- dreas Videbæk Jensen, Kim Weeden, Herman van de Werfhorst, and Daniel Wilhelm. Any errors remain our own.

Supplemental Materials

Reproducibility Package: The microdata underlying our analyses are available to download from the European Social Survey. Code necessary to reproduce the results is available at: https://doi.org/10.17605/OSF.IO/VCDSX

  • Citation: Strömberg, Ely, Per Engzell. 2025. “How Robust Are Country Rankings in Educational Mobility?” Sociological Science 12: 891-922.
  • Received: July 9, 2025
  • Accepted: October 13, 2025
  • Editors: Arnout van de Rijt, Kristian B. Karlson
  • DOI: 10.15195/v12.a36

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