Surname affinity in Santiago, Chile: A network-based approach that uncovers urban segregation

Naim Bro, Marcelo Mendoza

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Based on a geocoded registry of more than four million residents of Santiago, Chile, we build two surname-based networks that reveal the city’s population structure. The first network is formed from paternal and maternal surname pairs. The second network is formed from the isonymic distances between the city’s neighborhoods. These networks uncover the city’s main ethnic groups and their spatial distribution. We match the networks to a socioeconomic index, and find that surnames of high socioeconomic status tend to cluster, be more diverse, and occupy a well-defined quarter of the city. The results are suggestive of a high degree of urban segregation in Santiago.

Original languageEnglish
Article numbere0244372
JournalPLoS ONE
Volume16
Issue number1 January
DOIs
StatePublished - Jan 2021
Externally publishedYes

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