Thailand vs Vietnam — Country Comparison
Thailand
VietnamThailand and Vietnam side by side: Thailand is the larger country (513,120 km² vs 331,212 km², roughly 1.5× the size), while Vietnam has the bigger population (101.3 million vs 65.9 million). The full comparison table below covers capitals, currencies, languages, dialling codes, timezones and more.
Facts last checked 9 October 2026.
| Fact | Thailand | Vietnam |
|---|---|---|
| Capital | Bangkok | Hanoi |
| Population | 65,859,640 | 101,343,800 |
| Area | 513,120 km² | 331,212 km² |
| Currency | Thai baht | Vietnamese đồng |
| Language | Thai | Vietnamese |
| Dialling code | +66 | +84 |
| Main timezone | UTC+07:00 | UTC+07:00 |
| Drives on the | Left | Right |
| Region | South-Eastern Asia | South-Eastern Asia |
| Emergency number | 191 (police) / 1669 (ambulance) | 113 (police) / 115 (ambulance) |
Key differences: Thailand vs Vietnam
- Vietnam has about 1.5 times the population of Thailand.
- Thailand is about 1.5 times larger by area.
- Vietnam is the more densely populated of the two.
- They use different currencies: THB and VND.
- They do not share an official language.
- They do not share a land border.
- Their geographic centres are about 850 km apart.
- Thailand and Vietnam are in the same time zone (UTC+07:00).
Want the full picture for each country? See Thailand and Vietnam, or compare their population pages: Thailand · Vietnam.
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Thailand vs Vietnam — FAQ
Which is bigger, Thailand or Vietnam?
Thailand is bigger by area: 513,120 km² vs 331,212 km², roughly 1.5× the size of Vietnam.
Is Thailand bigger than Vietnam?
Yes — Thailand covers 513,120 km², compared to 331,212 km² for Vietnam.
Which has more people, Thailand or Vietnam?
Vietnam has the larger population: 101,343,800 (101.3 million) vs 65,859,640 (65.9 million).
How does the size of Thailand compare to Vietnam?
Thailand (513,120 km²) is about 1.5× larger than Vietnam (331,212 km²).
Do Thailand and Vietnam use the same currency?
No — Thailand uses the Thai baht and Vietnam uses the Vietnamese đồng.
Are Thailand and Vietnam on the same continent?
Yes — both are in Asia.
What is the time difference between Thailand and Vietnam?
Thailand and Vietnam are in the same time zone (UTC+07:00).
Do Thailand and Vietnam share an official language?
No — Thailand and Vietnam do not share an official language.
Do Thailand and Vietnam share a border?
No — Thailand and Vietnam do not share a land border.
Which is more densely populated, Thailand or Vietnam?
Vietnam is more densely populated at roughly 306 people per km², compared to 128 for Thailand.
How far is Thailand from Vietnam?
The distance between the geographic centres of Thailand and Vietnam is roughly 850 km (530 miles) in a straight line. Actual travel distances between cities will differ.
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