Analysis of information sources in references of the Wikipedia article "Demographics of the United States" in English language version.
The Federal Voting Assistance Program (FVAP) estimates that there are 4.5 million to 6.5 million overseas Americans while the State Department's most recent calculation (April 2015) of US citizens living overseas is 8.7 million{...}US citizens living outside the US who are not employed by the US Government, including dependents living with them – Not counted in the census.
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