Journal
COMPARATIVE MIGRATION STUDIES
Volume 9, Issue 1, Pages -Publisher
SPRINGERNATURE
DOI: 10.1186/s40878-021-00273-x
Keywords
Migration; Big data; Digital trace; Measurement; Survey; Review
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The interest in human migration is increasing, but data to measure migration is limited. Digital data sources, such as big data and digital trace data, have emerged as new sources of migration measurement. This paper reviews the strengths and weaknesses of these new data sources, emphasizing the ethical and empirical challenges of migration research. The review aims to assist researchers and policy analysts in navigating this new and complex field.
The interest in human migration is at its all-time high, yet data to measure migration is notoriously limited. Big data or digital trace data have emerged as new sources of migration measurement complementing 'traditional' census, administrative and survey data. This paper reviews the strengths and weaknesses of eight novel, digital data sources along five domains: reliability, validity, scope, access and ethics. The review highlights the opportunities for migration scholars but also stresses the ethical and empirical challenges. This review intends to be of service to researchers and policy analysts alike and help them navigate this new and increasingly complex field.
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