Is money I transfer into Thailand taxed now?

Not necessarily. Bringing money into Thailand does not automatically mean you have to pay Thai tax. Whether tax is due depends on your tax residency, the type of income, when it was earned, and whether an exemption or double taxation agreement applies.

What We See In Practice

I heard Thailand now taxes every baht I transfer from overseas. Is that true?

Not necessarily. The biggest misconception is that the transfer itself is taxed. In reality, Thai tax rules focus on what the money represents, and in some cases relief may also be available under double taxation agreements or the Long-Term Resident (LTR) visa tax exemptions.
Thailand’s rules on foreign-sourced income changed in 2024, leading many people to believe that every overseas transfer is now taxable. That is not how the rules work. The changes primarily affect Thai tax residents who bring certain types of foreign-sourced income into Thailand. Simply transferring money from an overseas account is not, by itself, a taxable event.
Whether tax is payable depends on the facts of your situation. The nature of the funds, your tax residency, and whether a double taxation agreement or another exemption applies can all affect the outcome. Because these rules can vary significantly from one person to another, it is often worth reviewing the tax position before making substantial transfers into Thailand rather than assuming every overseas transfer will be taxed.