Visuals are easy to follow after a few seconds, looks useful. A minor point: as usual with these cases, I wonder if the selected data sources do not contradict

Visuals are easy to follow after a few seconds, looks useful. A minor point: as usual with these cases, I wonder if the selected data sources do not contradict each other, and when they do, how the choice is made. Another point is the definition of a migrant. Perhaps it was taken from a data source, but I would like to see it explicitly stated on the site: words do not always have the same meaning for everyone.