PTSD is more common among veterans than it is in the general population. According to the U.S. Department of Veterans Affairs, 15% of Vietnam veterans were struggling with PTSD in the 1980s, and around 30% experienced PTSD at some point in their lifetimes. Around 12% of Gulf War veterans experience PTSD in any given year. From the two most recent conflicts, Operations Iraqi Freedom and Enduring Freedom, between 11% and 20% of veterans experience PTSD in a given year.