ArticleData in brief2026
The Social Connectedness Index: A large-scale dataset of social ties across geographic locations.
Article in Data in brief, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This article describes a new release of the Social Connectedness Index (SCI), a large-scale measure of social ties across geographic locations constructed from Facebook friendship links. The newly available SCI data have substantially expanded global coverage and finer geographic resolution than prior versions, and provide measures of social connectedness for national and subnational units across 178 countries. The SCI dataset is based on Facebook friendship networks from January 2026 and is freely available through the Humanitarian Data Exchange. This data descriptor details the methodology used to construct the measure, the structure of the SCI dataset, and its geographic coverage at various granularities.
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Registered trials
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