Though only 24% of the population uses a smartphone, it is the most populous country in the region.
More than a third of the population uses the Internet.
Almost 45 million Vietnamese, nearly half the population, uses Facebook.
A full 51percentt of the population uses a cellphone, according to Telephia.
More than 80% of the population uses a BBC news service at least once a week.
Official statistics show that at least 10percentt of the population uses alcohol.
Yet with all these investments, less than 1percentt of the population uses mass transit to get to work.
Eleven percent of the population uses bicycles as their main mode of transport, with about 2.5m bicycle trips a day, according to government statistics.
Around 3%-53%-5%the population uses steroids, estimates Thomas Hildebrandt, assistant professor of psychiatry at the Icahn School of Medicine at Mount Sinai.
Five years after the scheme's inception 98% of the population uses home composters, which, with government subsidies, cost a modest 3,000 yen (£14) each.
Only a few million American households have either service, even though analysts estimate that about 40percentt of the population uses the Internet.
