Pairwise dissimilarities are given by the cultural fixation index obtained from World Values Survey responses.
References
M. Muthukrishna, et al., Beyond western, educated, industrial, rich, and democratic (WEIRD) psychology: measuring and mapping scales of cultural and psychological distance. Psychol. Sci. 1, 24 (2020).
R. Inglehart et al, World Values Survey: All Rounds-Country-Pooled Datafile 1981-2014, (JD Systems Institute, Madrid 2014).