Actress, Mahnaz Afshar, with her husband after immigration to Germany
Because it is facilitated
The International Migration Organisation's "Migration App" (MigApp) is contributing to safer and more regulated migration.
One big factor influencing migration is the increased ease of doing it. Most migrants would rather opt for regular pathways instead of irregular movements in order to settle and work elsewhere, and this is facilitated via bilateral and international agreements regarding movement. Therefore making it easier for migrants will in turn make it more likely that they will choose to migrate.