Households with children under 18 are regular and prominent users of the public library. In 2001, 65.6% of households with children under 18 used public libraries. Nationwide, more households with children under 18 used a library in the past month for a school assignment (22%) than to participate in programs for children under 13 (10%) or for teenagers, ages 13 to 18 (3%). Among households with children under 18, a larger percentage of Black and Asian households (25% and 26% respectively) used a public library in the last month for a school assignment than did white or Hispanic households (22% and 20% respectively). Forty-one percent of households with children under 18 used a public library or bookmobile in the past month to borrow materials. This is compared to 28% of households with any members ages 18 to 64, and 19% of households with any members aged 65 or older.