Vietnam is relatively young in market research activities and survey is typically conducted in the first tier cities (Ho-Chi-Minh City and Hanoi).
Ho Chi Minh City is the economic center of Vietnam and accounts for a large proportion of the economy of Vietnam, while Hanoi is considered one of the main cultural centres of Vietnam, where most Vietnamese dynasties have left their imprint.
The population is growing rapidly but the size of household are being smaller. It was 5.3 persons per household in the past and it is now only 3.8 persons.
Despite high numbers of mobile phone owners, most Vietnamese mobile phone owners still use low-end phones without Internet capability. The younger and higher education are more likely to have internet-capable mobile phones.