The highest increase in search volume comes from France, with a 72% rise, followed by the Netherlands, New Zealand, Germany, and the US, with increases of around 40%.
Travellers from these countries often have to take longer and more expensive return flights, making them more inclined to plan longer vacations.
Vietnam's new visa policy, which will officially come into force on 15 August, will raise the duration of the electronic visa to three months, three times longer than before.
