A median of 34% of adults across these countries have heard or read a lot about AI, while 47% have heard a little and 14% say they’ve heard nothing at all, according to a spring 2025 Pew Research Center survey. But many are worried about AI’s effects on daily life. A median of 34% of adults say they are more concerned than excited about the increased use of AI, while 42% are equally concerned and excited. A median of 16% are more excited than concerned. In this analysis, median scores are used to help readers see overall patterns in the data. The median percentage is the middle number in a list of all percentages sorted from highest to lowest. Concerns about AI are especially common in the United States, Italy, Australia, Brazil and Greece, where about half of adults say they are more concerned than excited.
