Description: The Society of Actuaries and LIMRA have sponsored a U.S. Individual Disability Income Persistency Study. The report, authored by Cathy Ho and Steve Elek, presents the results of a study of individual disability income (“IDI”) lapse experience in the United States between observation years 2000 and 2007. This is the first report in a two-part series that will present results of a study conducted jointly by LIMRA and the Society of Actuaries (SOA) and based on data provided by 12 individual disability income insurance writers.