The global estimate of migration in 2020 revealed that there were around 281 million international migrants in the world.
A migrant ship has sank killing three children and one woman off the Tunisian city of Sfax.
A judge in Sfax, Faouzi Masmoudi who confirmed the news to Reuters on Wednesday said 21 people were rescued.
He said all the migrants were Tunisians.
Tunisia has become a main transit location for migrants crossing the Mediterranean Sea towards Italy.
Wrting by Muzha Kucha; Editing by Julian Osamoto