Facebook Social Connectedness Index

Summary of Facebook's Social Connectedness Index data sets updated in October 2021

Each row is a country – country pair. Countries are denoted by their ISO2 codes. Excludes certain countries, for example countries where Facebook is banned or countries with few active users.

Each row is a US county – country pair. Counties are denoted by their 5-digit FIPS code, countries are denoted by ISO2 code. Excludes counties and countries with few active users.

Each row is a US county – US county pair. Counties are denoted by their 5-digit FIPS code. Excludes counties with few active users.

Built on the Database of Global Administrative Areas (GADM, version 2.8) and the European Nomenclature of Territorial Units for Statistics (NUTS 2016) areas. Excludes regions with few active users. European countries are divided into their NUTS2 regions (e.g., 12 provinces in the Netherlands). Countries outside of Europe are divided into their GADM level 1 regions (e.g., states in the US). Countries with a population less than 1 million are not divided. Each row is a pair of these areas.

Built on the Database of Global Administrative Areas (GADM, version 2.8) and the European Nomenclature of Territorial Units for Statistics (NUTS 2016) areas. Excludes regions with few active users. European countries are divided into their NUTS3 regions (e.g., 40 regions in the Netherlands). The United States, Canada, and some countries in South Asia (Bangladesh, India, Nepal, Pakistan, and Sri Lanka) are divided into their GADM level 2 regions (e.g., US counties). Other countries are usually divided into their GADM level 1 region. Countries with a population less than 1 million are not divided. Each row is a pair of these areas.

Each row is a US ZCTA (zip code tabulation) – US ZCTA pair. Excludes ZCTAs with few active users. Due to the large size of this data set, it is split across ten files. The files are split according to the first digit of the zip code for location i. For instance, all pairs in which the first zip code begins with the digit 7 will be contained in file 7 .

Useful reference for the administrative regions used in this dataset

Useful reference for the administrative regions used in this dataset

Old/archive version of GADM v. 2.8 admin boundary shapefiles as they are currently unavailable on the GADM project page.