State porn bans fail to block most viewers, new study shows

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State-level crackdowns on online pornography are hitting a digital wall, as millions of users easily bypass restrictions or simply migrate to alternative platforms to access restricted content, according to a study published by the National Bureau of Economic Research (NBER).

A massive shift in digital traffic

Beginning with Louisiana in early 2023, 25 U.S. states have passed laws requiring adult websites to verify users’ ages through government-issued identification or credit card details. In response, several dominant platforms, including the world’s largest adult website, chose to block local access entirely rather than implement the verification systems. However, this study, which analyzed high-frequency, individual-level web-browsing habits of approximately 550,000 U.S. desktop and mobile users, found that these aggressive policies only managed to reduce overall time spent on adult sites by roughly 10%.

Decomposing the digital bypass

The researchers traced what happened to the browsing time that the laws attempted to block, illustrating how the effectiveness of digital regulations is severely undercut by both website noncompliance and user adaptation.

For every 100 hours of pornography consumed on top websites before the restrictions went into effect, about 50 hours remained completely unaffected because they were spent on dominant «tube sites» like XVideos and XNXX that simply ignored the laws and refused to comply. Of the remaining 50 hours, 30 hours persisted because users utilized virtual private networks (VPNs) to mask their physical locations and access blocked sites. Another 10 hours were substituted as users shifted their attention from compliant sites to those that remained unblocked. On net, only 10 hours of consumption ceased entirely.

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Photo: Shutterstock, photo editor: Dina Karamchakova

Younger users lead in evasion

The study also highlighted significant differences in how various demographic groups reacted to the bans. Young adults aged 18 to 24 showed the least amount of cessation, largely because they were the most active in using VPNs to circumvent state blocks. Conversely, households with children saw a larger reduction in pornography consumption on desktop computers, though the researchers noted that overall evidence on how minors adapt to these laws remains mixed.

Ultimately, the findings indicate that while age verification laws create administrative hurdles, technological circumvention and the presence of noncompliant alternative sites heavily dilute their impact, offering key lessons for policymakers attempting to regulate the digital frontier.

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