One of the most affected groups by identity theft are victims aged between 40 and 69. Research shows that people aged 40–49 file about 15% of all ID theft reports, while those in the 50–59 brackets account for 24% of all submitted reports. Military personnel is also a high-risk group because they use their social security numbers for identification. College students are 400% more likely than others to have their identity stolen by friends, medical ID theft statistics reveal.