What are the most common allowances for expatriates?

Mobility allowances are paid primarily as an incentive to go on assignment. Companies often refer to them by alternative names such as ‘expatriate allowances’ or ‘foreign service premiums’. The most common mobility allowance is 10%. 26-Jan-2018

https://www.eca-international.com/insights/blog/january-2018/mobility-basics-international-assignment-allowance#:~:text=Mobility%20allowances%20are%20paid%20primarily,common%20mobility%20allowance%20is%2010%25.