Americans are slowly becoming less afraid and feeling safer while riding in self-driving cars.

According to the American Automobile Association (AAA), 63 percent of U.S. drivers participating in its annual survey said they are less afraid of riding in a self-driving vehicle. This represents a 14-percent jump from 2017.

“Americans are starting to feel more comfortable with the idea of self-driving vehicles,” said AAA Automotive Engineering and Industry Relations Director Greg Brannon. “Compared to just a year ago, AAA found that 20 million more U.S. drivers would trust a self-driving vehicle to take them for a ride.”

Other key insights revealed differences in attitudes in men versus women, baby boomers versus Generation X drivers, and the age 18-34 millennial demographic. Women are more likely to “be afraid” and “feel less safe” than men riding in a self-driving car, at a 73 to 52-percent, and 55 to 36-percent clip, respectively.

Baby boomers and Generation X drivers hit the high-40 and low-50 percentile range versus millennial drivers (34 percent) as being more likely to feel less safe. 51 percent of millennials reported they are less afraid of riding in an autonomous vehicle, the top age group in the survey.

Another key statistic was 73 percent of drivers having high confidence levels in their driving abilities, which could adversely affect their likelihood of purchasing a self-driving car down the road.

Founded in 1902, the AAA is a non-profit organization that offers a variety of services throughout the U.S. and Canada, such as roadside, battery, emergency credit, auto repair, and insurance services for its members.

Early accomplishments saw consolidated regulation setting across state boundaries, such as cross-state validation of motorist registration and licenses, as well as a variety of other issues affecting motorists including highway infrastructure, proper divestment of vehicle-related taxes, and advocating for drunk driving prevention.

American Automobile Association