"U.S. Bureau of the Census, International Data Base"
 
"Table 057. Population by Ethnic Group and Sex"
"----------------------------------------","---------------","---------------","---------------"
"Country or area/                        ","               ","               ","               "
"Year/                                   ","               ","               ","               "
"Res/                                    ","               ","               ","               "
"Ethnic group                            ","     Both sexes","           Male","         Female"
"----------------------------------------","---------------","---------------","---------------"
"Marshall Islands/1980/Total"
 
"Total, all ethnic groups                ",          30873,           (NA),           (NA)
"Single Ethnic                           ",          30499,           (NA),           (NA)
"Marshalese                              ",          29816,           (NA),           (NA)
"Other Pacific                           ",            683,           (NA),           (NA)
"Asian                                   ",             98,           (NA),           (NA)
"European                                ",              7,           (NA),           (NA)
"Other                                   ",             44,           (NA),           (NA)
"Multiple Ethn                           ",              8,           (NA),           (NA)
"Unknown                                 ",            366,           (NA),           (NA)
"----------------------------------------","---------------","---------------","---------------"
"Source: U.S. Bureau of the Census, International" 
"        Data Base."