Visa on arrival have changed as the Thai government now views the arrivals in a new way. There is now visa on arrival by land and visa on arrival by air. The one get the 15 days the other 30 days. This depends also on your country.
For the past 2 years the visa on arrival has changed. If you arrive via air the government allows you to stay in Thailand for 30 days. If you arrive via land then you are only allowed to stay for 15 days. The following countries are allowed a visa on arrival. If your country is not listed then you will need a tourist visa before you arrive in Thailand.
| 1. | Australia : Commonwealth of (90 Darussalam Australia |
| 2. | Austria: Republic of Austria |
| 3. | Belgium: Kingdom of Belgium |
| 4. | Brazil (90 days with agreement) |
| 5. | Bahrain: State of Bahrain |
| 6. | BruneiDarussalam : Negara Brunei Darussalam Special |
| 7. | Canada |
| 8. | Denmark: Kingdom of Denmark |
| 9. | Finland: Republic of Finland |
| 10. | France: French Republic |
| 11. | Germany: FederalRepublic of Germany |
| 12. | Greece: Hellenic Republic |
| 13. | Hong Kong : Hong KongSpecial Administrative Region |
| 14. | Iceland: Republic of Iceland |
| 15. | Indonesia: Republic of Indonesia |
| 16. | Ireland: Republic of Ireland |
| 17. | Israel : State of Israel |
| 18. | Italy : Republic of Italy |
| 19. | Japan |
| 20. | Korea : Republic of Korea ( 90 days with agreement) |
| 21. | Kuwait: State of Kuwait |
| 22. | Luxembourg: Grand Duchy of : Luxembourg |
| 23. | Malaysia |
| 24. | Monaco : Principality of Monaco (since 26 October 2007) |
| 25. | Netherlands: Kingdom of the Netherlands |
| 26. | New Zealand |
| 27. | Norway: Kingdom of Norway |
| 28. | Oman: Sultanate of Oman |
| 29. | Peru : Republic of Peru ( 90 Days with agreement) |
| 30. | Philippines: Republic of the Philippines |
| 31. | Portugal: Republic of Portugal |
| 32. | Qatar : State of Qatar |
| 33. | Singapore: Republic of Singapore |
| 34. | Spain : Kingdom of Spain |
| 35. | South Africa: Republic of South Africa |
| 36. | Sweden: Kingdom of Sweden |
| 37. | Switzerland : Swiss Confederation |
| 38. | Turkey: Republic of Turkey |
| 39. | United Arab Emirates |
| 40. | United Kingdom : United Kingdom of Great Britain and Northern Ireland |
| 41. | United States of America |
| 42. | Vietnam: Socialist Republic of Vietnam |
The following countries are allowed to stay for between 30 and 90 days without a visa. Peru is a special matter.
| 90 days | |
| 1. | Argentina |
| 2. | Brazil |
| 3. | Chile |
| 4. | Republic of Korea |
| 5. | Peru (***) |
