3. Social Security benefits are generally available to those who qualify.
There are specific US Social Security rules for NRAs so it’s important to understand the rules and exceptions. But in general, if you have paid into Social Security for a full 40 quarters you will be eligible to collect benefits when you retire.
As an NRA, you can generally continue to collect US Social Security just as you would if you remained a US citizen. However, there are several factors that impact this: US bilateral agreements (or lack thereof), your current citizenship, and your country of residence.