Taxes on rental income

[Patrik Amado]

Hey BP,

First time posting.

Still in the Education fase and starting to have some questions.

I've seen that there is a tax on rental income (obviously) and my question is, in the USA, is that calculated considering your lease/contract? And at what %? Does the % variate by state?

I'm asking this because of 2 major reasons:

1 - I live in Portugal and I've started running the numbers on the BP calculators, but remembered that in this country, for annual ou biannual leases/contracts, there is a rental income tax of 28%, and I haven't considered this while filling in the tax portion of the calculator (only considered the property tax). I'm trying to see if any of my calculations are off.

2 - There is a chance I may be moving back to the USA and knowing this information may be a good first step to know what to do once i get there.

Thanks in advance!