Based on your answers, you do not appear to be subject to US tax liability.
In most cases, this means you do not need to file a US tax return.
However, there are exceptions, for example if you invest in the United States, travel regularly for work or family reasons, conduct transactions with US institutions, or if something has been registered in the past without your knowledge.
Want 100% certainty? Schedule a short, no-obligation intake with Americans Overseas. We will assess your situation free of charge and tell you exactly whether action is needed.
"*" indicates required fields