The Insurance Institute for Highway Safety said the risk of dying in an SUV has dropped by 66 percent since its last report.
The increased safety is credited to electronic stability control systems, which help prevent rollovers.
For smaller cars, the risk of dying dropped by 35 percent, but the biggest threat is still collisions.
Analysts say the lighter a car is, the less it will protect you during a crash.
They're concerned that new fuel-economy rules will force automakers to sell even smaller and lighter vehicles, which could put drivers in more danger.
