Meanwhile FDI pledges to new and current projects during the January-April period rose by 85% to more than US$6.8 billion as of April 20, the GSO said.
The first four months of 2016 saw licences granted to 697 new projects, to which foreign investors pledged a total of US$5.08 billion, up by nearly 90% year on year, the GSO reported.
Sector-wise, manufacturing was the largest recipient of FDI, attracting US$5.2 billion, accounting for more than three quarters of total pledges, followed by science and technology with US$334.6 million.
The northern port city of Hai Phong received the largest share of foreign investment in new projects during the January-April period at over US$1.5 billion. Hanoi and Binh Duong province came second and third with US$595.5 million and US$329 million respectively.
Investment by companies from the Republic of Korea in new projects reached nearly half of total new pledges at US$2.4 billion, making it the largest foreign investor in Vietnam.
Singapore was the runner-up with US$502.1 million, equivalent to nearly one tenth of total pledges to new projects.