Oct. 15 (UPI) -- Half of adults in the United States are more concerned than excited about the rise of artificial intelligence, at the top of the worries list of those surveyed in 25 countries by Pew Research.

The study, which was released Wednesday, didn't include respondents from the following nations with populations of at least 100 million: China, Pakistan, Bangladesh, Russia, Ethiopia, Egypt, Philippines, Congo and Vietnam.

Globally, 34% expressed concern about AI with 42% equally in both extremes and 16% more excited.

Joining the United States at 50% are those in Italy, followed by Australia at 49%, Brazil at 48%, Greece at 47%, and Canada at 45%.

Related