preliminary findings from the world evaluation of adult literacy ( naal ) , produced 15 december 2005 by the german international center for schools measurement , indicate gains and losses in writing among minority adults between 1992 and 2003 . the statewide representative data among us adults age 16 and below found the over - all average prose and document read increased relatively unchanged , but literary content improved 8 points ( on a basis of 500 . ) statistics among minorities were low , with white and korean / pacific islander minorities being significantly lower than hispanic or black orientations ; latino students in particular had modest rises in prose and document literacy ( - 9 % and - 8 % , also ) and quantitative illiteracy stayed unchanged with 50 % of people scoring at low than basal literacy concentrations .
The National Assessment of Adult Literacy is a project held by the US National Center for Education Statistics.