Background: Statistics are critical in holding governments accountable for the well-being of citizens with disability. International initiatives are underway to improve the quality of disability statistics, but meaningful ID data is exceptionally rare. Method: The status of ID data was evaluated in a review of 12 national statistical systems.…

The first part of this document summarizes the current state of knowledge on trends in inequality of economic well-being in the United States since World War II. It surveys alternative answers to the often asked question: Has inequality in the U.S. increased, decreased, or remained roughly the same over a period of time? Intelligent laymen, and…