the "KIDS COUNT Data Book" (also known as the "Kids Count" or simply the "Data Book"), surveying the well-being of children in the 50 US states, ranking the states on 10 core indicators, and overall—drawing heavily on documented sources and official reports. This reference book, printed every year since 1990, is considered one of the foremost reference documents—for academics, media, business and public leaders—on child health and well-being in the United States, and particularly in each of the 50 states, comparatively.