Bilateral migration data is available from sources such as the United Nations Population Division unit on International Migration, Migration Policy Institute, and Migration Data Portal. For example, the 2019 UN dataset for migrant stocks by origin and destination is available as .xlsx here.


Check out https://comtrade.un.org/ Particularly https://unstats.un.org/unsd/trade/data/tables.asp#annual (Table 41: Exports by provenance and destination)

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