@trapezewdc , generally agreeing with my colleagues @TomD8 and @DoninGA , I would just to add the following:
(a) As a married person you cannot file as Single on form 1040 --- that would be viewed as perjury. However, from a tax liability standpoint the implication is the same i.e. MFS ( Married Filing Separate ) would have the same tax liability as a single filer.
(b) An NRA spouse living abroad ( except for those in Canada, Mexico and in some case in India ) cannot be claimed for exemption or filing as married filing jointly. This is true unless the spouse and you both agree to be taxed on world income ( seeks to be treated as a resident ) and has a Tax ID ( SSN or ITIN ).
(c) On Head of Household ( HoH ), generally the qualifying person must live in USA and also have income below a threshold. Also some states have specific requirements for HoH filing status.
(d) We are assuming that you are a US person ( Citizen/ GreenCard/ Resident for Tax purposes ).
Is there more one of us volunteers can do for you ?
