International mobility programmes are divided into incoming and outgoing. The number of incoming visiting professors decreased in 2020 compared to 2019 from 53 to 10, but the average number of days spent in Trieste increased from 31 to 35. Visitors came mainly from European countries and North America.
In 2021 there was an increase to 28 visiting professors, with an average stay of 76 days. The origin is predominantly European, but there has also been an increase from the United States of America and China.