According to answers provided to an open - ended question included in the 2000 US census , 993 people said that their ancestry or ethnic origin was Mauritanian .
Mauritanian Americans are Americans of Mauritanian descent or Mauritanians who have American citizenship .
According to answers provided to an open - ended question included in the 2000 American census , 993 people said that their ancestry or ethnic origin was Mauritanians .
Mauritanian Americans are Americans of Mauritanian descent or Mauritanians who have American citizenship .