The International Chamber of Shipping (ICS), representing 80% of the worlds merchant fleet, has warned of supply chain disruption should the free movement of Ukrainian and Russian seafarers be impeded.
The Seafarer Workforce Report, published in 2021 by BIMCO and ICS, reports that 1.89 million seafarers are currently operating over 74,000 vessels in the global merchant fleet.
Of this total workforce, 198,123 (10.5%) of seafarers are Russian of which 71,652 are officers and 126,471 are ratings[1]....
https://maritime-professionals.com/russian-and-ukrainian-seafarers/