Kingston Pen Visiting (IMAGE) Washington University in St. Louis Caption Family member incarceration has become exceedingly common among American families. Nearly half of all adults, age 18-49, have an immediate family member who has been imprisoned. Credit (Photo: Wikipedia) Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.