HSBC did an expat survey. All the top 5 countries are neither in the United States nor in Asia. They are all in Europe and the Middle East surpassing Singapore, USA and a number of other countries in Asia.
Among the top 5 countries, surprisingly, Germany came at the top. Expats are finding great career progression in Germany with 65% describing it as a productive place to work. Following Germany is Bahrain, UK, UAE and Switzerland.
Read more about the best countries for expat list by HSBC.