Vietnam is a developing country, located in South Asia. Although Vietnam has many difficulties to develop, most Vietnamese people still feel happy. According to the Expat Insider, with personal happiness, Vietnam gets the range of the top 15 countries out of 59 countries in the study in 2021. However, other features, such as quality of digital life, health & well-being, and leisure options are low, staying at the second part of these countries in the research. All of these make Vietnam in general be ranged low in the ranking table of Expat Insider.