Income Tax Calculator for Taiwan

Hi all,

I’ve improved the calculator to add all standard deductions and make it easier to understand.

However, I’d like to make it more complete by integrating the number of days one’s stay in Taiwan. I’ve read a lot about the tax is pro-rated if you stay between 183 days to 300 days in Taiwan. To illustrate on one’s staying 200 days in Taiwan:

With pro-rata :

  • Let’s say you make 1,000,000 TWD a year.
  • You stay 200 days ( 200/365 = 54%) = 540,000TWD
  • Then deductions are applied 540,000-408,000TWD = 132,000 TWD (if single)
  • –> NT $9,200 paid on tax

Without pro-rata:

  • Let’s say you make 1,000,000 TWD a year.
  • => will be counted to do your tax
  • Then deductions are applied 1,000,000-408,000TWD = 592 000TWD (if single)
  • -> NT$33,240 paid on tax

It’s a difference of 24,040 NTD :neutral_face: . Some people showed me their tax filling form that proved it to me. But it feels inconsistent since others told me they didn’t get that pro-rata calculation. I can’t find the official text about that. Anyone by any chance, can confirm/or not this with an official text if possible? so I could include this to the calculator ?

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