"U.S. Bureau of the Census, International Data Base"
 
"Table 069. Economically Active Population,by Age,Sex, and Urban/Rural Residence"
"----------------","---------------","---------------","------------","---------------"
"Country or area/"," "," "," "," "
"Year/  "," "," "," "," "
"Res/ "," "," "," Active"," Unknown"
"Sex/ "," Total"," Active"," percent of"," activity"
"Age  "," population"," population"," total"," status"
"----------------","---------------","---------------","------------","---------------"
"Northern Mariana Islands/1980/Total/Both s"
 
"Total, 16+ ", 9599,  6102, 63.57, (NA)
" 16-19 ", 1327, 418, 31.50, (NA)
" 20-24 ", 1512, 1020, 67.46, (NA)
" 25-29 ", 1463, 1124,  76.83, (NA)
" 30-34 ", 1303, 1018, 78.13, (NA)
" 35-44 ", 1688, 1335, 79.09, (NA)
" 45-54 ", 1156, 824, 71.28,  (NA)
" 55-59 ", 388, 202, 52.06, (NA)
" 60-64 ", 267, 87, 32.58, (NA)
" 65-74 ", 367, 62, 16.89, (NA)
" 75-84  ", 114, 11, 9.65, (NA)
" 85+ ", 14, 1, 7.14, (NA)
 
"Northern Mariana Islands/1980/Total/Male"
 
"Total, 16+ ", 4402, 2094, 47.57, (NA)
" 16-19 ", 672, 208, 30.95, (NA)
" 20-24 ", 803, 489, 60.90, (NA)
" 25-29 ", 710, 458, 64.51, (NA)
" 30-34 ", 560, 327, 58.39, (NA)
" 35-44 ", 648, 356, 54.94, (NA)
" 45-54 ", 437, 183, 41.88, (NA)
" 55-59  ", 163, 31, 19.02, (NA)
" 60-64 ", 142, 22, 15.49, (NA)
" 65-74 ", 183, 13, 7.10, (NA)
" 75-84 ",  75, 6, 8.00, (NA)
" 85+ ", 9, 1, 11.11, (NA)
 
"Northern Mariana Islands/1980/Total/Female"
 
"Total, 16+ ", 5197, 4008, 77.00, (NA)
" 16-19 ", 655, 210, 32.00, (NA)
" 20-24 ", 709, 531, 74.00, (NA)
" 25-29 ", 753, 666, 88.00, (NA)
" 30-34  ", 743, 691, 93.00, (NA)
" 35-44 ", 1040, 979, 94.00, (NA)
" 45-54 ", 719, 641, 89.00, (NA)
" 55-59 ",  225, 171, 76.00, (NA)
" 60-64 ", 125, 65, 52.00, (NA)
" 65-74 ", 184, 49, 26.00, (NA)
" 75-84 ", 39,  5, 12.00, (NA)
" 85+ ", 5, 0, 0.00, (NA)
"----------------","---------------","---------------","------------","---------------"
"Source: U.S. Bureau of the Census, International" 
" Data Base."