Reasoning
Current surveys show 35-40% of US adults already struggle to distinguish AI-generated from human content (2024 data from Pew Research and similar sources), with AI capabilities advancing exponentially. Given 4 years until 2028, the trend toward more realistic multimodal AI (video, audio, text synthesis) combined with increased exposure to AI-generated content suggests the threshold will likely be crossed. However, this depends on whether the survey question measures passive difficulty or active scrutiny; if respondents are specifically warned they may encounter AI, reported difficulty could remain below 50%.Key uncertainty
The specific survey methodology and framing—whether respondents are tested on actual content discrimination or simply asked subjectively about their confidence—could shift the outcome by 15-20 percentage points either direction.