Preprimary enrollment of 3- to 5-year-olds, by attendance status: October 1970 to October 2001
NOTE: Data for 1994 and later years were collected using new procedures and may not be comparable with figures for
earlier years.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Preprimary Enrollment, various
years; and U.S. Department of Commerce, Bureau of the Census, Current Population Survey, unpublished data.
