The neighboring countries sharing the borderline with Viet Nam - China, Cambodia and Laos - are in the list with their total travelers reaching 2.373 million, accounting for nearly one third of the total (31.3%).

Approximately 1.370 million tourists from six ASEAN member nations arrived in Viet Nam in 2013, accounting for 18.1%.

Almost countries and territories in the list are closely associated with Viet Nam in terms of investment and trade.

The US is the largest importer of Viet Nam with US$23.7 billion in 2013 and it has registered foreign direct investment (FDI) of US$10.6 billion from 1988 to now, ranking seventh.

China ranked first among trade partners of Viet Nam with its total export- import turnover hitting US$49.9 billion in 2013 and its total registered FDI that calculated from 1988 to now amounting US$7 billion, ranking 10^th.

Japan has been the largest FDI provider for Viet Nam since 1988 with US$30 billion. In 2013, the country's respective export and import to Viet Nam reached US$11.6 billion and US$13.6 billion, ranking third and second.

The RoK is the second largest trade partner of Viet Nam. The country's two-way trade with Viet Nam attained US$27.5 billion in 2013. The RoK poured US$3.752 billion in FDI in Viet Nam in 2013, claiming the first position, bringing its total amount since 1988 to US$29 billion, ranking second.

Viet Nam- China's Taiwan trade value in 2013 obtained US$ 11.5 billion. The territory has injected US$27.5 billion in FDI in Viet Nam since 1988, standing in the third place.

Viet Nam earned US$3 billion from export to Cambodia and invested US$2.6 billion in the country.