Brazil is the second largest with 5 million people claiming German ancestry .
United States is home to approximately 50 million German Americans or one third of the German diaspora , making it the largest centre of German - descended people outside Germany .
Brazil is the second largest with 5 million people claiming Germany ancestry .
United States is home to approximately 50 million German Americans or one third of the German diaspora , making it the largest centre of German - descended people outside Germany .