Thailand Tax Calendar 2025. On september 18, 2023, the thailand revenue department announced a new tax regulation on its website: The individual must take it into account for income tax in the 2024 tax calendar year, and need to submit the income tax form within march 2025.
Tax revenue (% of gdp) in thailand was reported at 14.32 % in 2021, according to the. “starting january 1, 2024, a thai tax resident who brings.