In an online survey conducted from November to December 2019, Vietnam received 42.1% of 820 valid responses, based on factors such as the potential of a developing market and supply of cheap, skilled labor.
India came in second with 12.2%, when survey participants had high expectations for the developing market and its potential as a gateway to the Middle East and Africa.
Myanmar jumped three places from last year to third place with 11.6%, while Indonesia came in fourth with 6.6%.
China, an investment destination, has lost some appeal due to concerns over trade tensions between the country and the US and rising labor costs, ranking fifth with 5.1%