Table 4.

Description of columns and variables available in the “flow” dataset²⁰ table for international migration flow data per country pair and year combination.

Column name	Description
n_migrations	Number of migrating scholars
year	Year
countrynamefrom	Country name for migration flow’s “origin”
countrynameto	Country name for migration flow’s “destination”
regionfrom	World Bank region from
regionto	World Bank region to
incomelevelfrom	World Bank income level from
incomelevelto	World Bank income level to
gdp_per_capitafrom	GDP per capita from
gdp_per_capitato	GDP per capita to
populationfrom	General population count from
populationto	General population count to
iso3codefrom	ISO 3 letter code from
iso3codeto	ISO 3 letter code to
paddedpopfrom	Padded population of scholars from
paddedpopto	Padded population of scholars to

Each row includes a pair of source- and destination-country and year, and the next columns provide information from OpenAlex and Scopus.