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International Journal of
            Population Studies                                                     Migration data management insights



            geography and enhance security measures like preventing   application programming interface alongside the Python
            unauthorized access. However, such practices must comply   module Social Watcher, Alexander et al. (2022) extracted
            with data protection laws, ensuring privacy, transparency,   potential reach estimates to model migration trends from
            and user consent. In addition to capturing out-migration   Mexico, India, and Germany groups with varying United
            and monthly relocations of migrants, Facebook advertising   States migration patterns. Their validation against 2017
            data can also be used to recruit migrant respondents   American Community Survey data showed the model
            worldwide on a modest budget and on time. Experts   improved short-term trend predictions compared to
            agree  that Facebook  advertising  data provides  insight   alternatives. However, the bias-adjustment approach has
            into migrant integration by identifying their cultural   limitations, including assumptions that systematic biases
            integration (Alencar, 2018; Spencer & Charsley, 2016).   and non-sampling errors in Facebook data remain constant
            Leveraging Facebook advertising data presents a viable   over time, highlighting the need for further research into
            and efficient approach for recruiting migrant respondents   these dynamics.
            worldwide (Zagheni et al., 2017). By harnessing its global   In a recent study, Gonzalez-Salinas  et  al. (2024)
            reach, targeted capabilities, cost-effectiveness, and real-  combined Facebook’s digital application programming
            time  monitoring  features,  researchers  can  successfully
            engage with diverse migrant populations while adhering   interface data with Eurostat statistics to analyze Ukrainian
            to ethical principles and data privacy standards.  settlement patterns in Europe, revealing distinct
                                                               geographical trends. Ukrainian-speaking Facebook users
              Numerous researchers have taken advantage of the   are heavily concentrated in urban areas of inner, southern,
            publicly available data provided by Facebook through   and northwestern Poland and the Czech Republic, while
            its marketing application programming interface.   rural Romania hosts significant clusters. In contrast,
            Accordingly, Hughes  et al. (2016) used self-reported   countries like Germany, Italy,  and the United  Kingdom
            information about users’ hometowns and current locations   show a more dispersed distribution of Ukrainian-speaking
            to study “coordinated migration,” or important patterns of   populations across their territories.
            migration among countries or cities. It has also been used
            to measure stocks of migrants (Zagheni et al., 2017) and   4.4. Mobile phone data
            to visualize geodemographic information (Araujo  et al.,   Mobile phone data has also revolutionized our ability to
            2017).  In  a recent study, using  datasets  collected  from   track regular patterns of displacement within countries
            Facebook users and a sample bias correction method, 119   (Bayir  et al., 2009; Cumbane & Gidófalvi, 2021; Luca,
            countries were estimated to have migrants, disaggregated   2021), and mobile network data that has been passively
            by age, gender, and previous country of residence (Spyratos   collected, anonymized, or pseudonymized has been used
            et al., 2019).                                     to study migration in recent years (Bruckschen et al., 2019;
              Recent research has delved into the implications of   Salah et al., 2019).
            the COVID-19 pandemic on temporary populations in    In the WorldPop project, mobile telephone data is
            urban areas. Specifically, one study conducted by Brollo   integrated with census, survey, and other sources of data
            & Celata in 2023 utilized data from Facebook to examine   to estimate the density of populations worldwide with a
            how the pandemic influenced the temporary population   spatial resolution of 100 m × 100 m cells (Tatem, 2017).
            dynamics  within  Rome.  This analysis  provided  insights   Turper Alışık et al. (2019) analyzed mobile phone data to
            into how mobility patterns shifted during the health crisis,   identify mobility patterns among Syrian refugees living in
            particularly in a city known for its significant tourist and   Turkey that might be associated with seasonal employment
            transient populations.                             in fields like seasonal agriculture and seasonal tourism.

              Ting-Toomey  et al. (2000) argue that in the case   According to the authors, labor plays an important role in
            of Mexican, Anglo, and African American cultures in   determining Syrians’ mobility. Chi et al. (2020) presented
            the United States, it is possible to investigate cultural   a general framework for detecting migration events. Using
            integration through self-reported musical interest. On the   Twitter data from the United States and mobile phone
            other hand, we should take into account the possibility of   data from Rwanda, the authors empirically validated their
            facing challenges arising from duplicate accounts and fake   approach.
            profiles of migrants on Facebook, Instagram, and Twitter.  More recently, as part of their research, Olivieri et al.

              Facebook’s advertising platform provides frequently   (2021) analyzed mobile phone data in conjunction with
            updated demographic data, though its user base is not   household survey data to determine whether Venezuelan
            fully representative of the general population (Alexander   migrants in Ecuador have an impact on the employment
            et al., 2022). Using Facebook’s Ads Manager and marketing   market. The authors concluded that regions, where


            Volume 11 Issue 6 (2025)                        22                        https://doi.org/10.36922/ijps.6846
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