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Average data usage per day in Vietnam

Quick answer: most travelers use about 1.1 GB a day in Vietnam. Light users need around 0.3 GB, and heavy users with daily video calls and HD streaming around 2.7 GB.

Vietnam has strong 4G in cities and along the tourist trail, and cafe culture means Wi-Fi is easy to find in the places you sit down.

City-break sightseer
0.3 GB
per day
Maps, messaging, light browsing
Everyday traveler
1.1 GB
per day
A bit of everything, streaming on Wi-Fi
Remote worker
2.7 GB
per day
Calls and streaming on cellular daily

Calculate your own Vietnam trip

Pick how you use your phone and how long you are staying. You get the data you need, and how many days a plan of any size will last.

How do you use your phone?
You need about
8.83 GB
→ a 10 GB plan covers it
It lasts about
4.7 days
on cellular data alone, at this usage
See Vietnam eSIM plansSet exact habits in the full calculator

Estimates use our published per-activity rates and add a 20% safety buffer to the amount you need. Time on Wi-Fi does not count, so real use is often lower.

How many GB for a trip to Vietnam

Total data by trip length, including a 20% safety buffer. Round up to the next plan size.

Trip lengthCity-break sightseerEveryday travelerRemote worker
3 days1.01 GB3.78 GB9.62 GB
7 days2.35 GB8.83 GB22.4 GB
14 days4.70 GB17.7 GB44.9 GB
30 days10.1 GB37.8 GB96.2 GB

Use the table for your trip length, and download offline maps before long bus or train legs rather than relying on signal.

What shapes data use in Vietnam

  • Ride-hailing apps and maps are used all day between cities, which is light on data.
  • Long bus and train journeys are where cellular use spikes, because that is when people stream or scroll.
  • Wi-Fi in cafes and guesthouses is common and usually good enough for video calls.

Fixed GB or unlimited?

An average day comes to about 1.1 GB, which is close to what an unlimited plan gives you at full speed (1 GB a day, then 512 kbps). Unlimited suits heavy and unpredictable use. If you are mostly on maps and messaging, a fixed plan costs less. See Vietnam plans →

Frequently asked questions

How much data do I use per day in Vietnam?
About 1.1 GB a day for an everyday traveler using maps, messaging, social media and some streaming on cellular. Light users (maps and messaging) use about 0.3 GB a day, and remote workers with daily video calls and HD streaming use about 2.7 GB. Time spent on Wi-Fi does not count, so your real figure is often lower.
How long will a 5 GB plan last in Vietnam?
On cellular alone, about 4.7 days for an average user, about 17 days for a light user, and about 1.8 days for a heavy user. Using hotel Wi-Fi for streaming stretches it further.
Will my data work on long train rides in Vietnam?
Coverage along the main routes is generally good, with occasional gaps in mountain sections. Download anything you want offline before you board rather than relying on a steady signal.
What happens if I run out of data in Vietnam?
The eSIM stops passing data. There are no overage charges. You can buy a top-up or a new eSIM at any time. If your estimate lands close to a plan size, pick the bigger one.

Keep reading

Best eSIM for VietnamHow much data common activities useUsing your eSIM as a hotspotFull travel data calculator

Data usage in other countries

JapanSouth KoreaThailandIndonesiaSingaporeFranceSpainItalyGermanyUnited KingdomPortugalGreeceTurkeyUnited StatesCanadaMexicoAustraliaUAE

Estimates are modeled from typical per-activity data rates, not measured national averages. Last updated September 2026.