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A recent study has revealed a striking shift in American caffeine consumption trends. While fewer people are drinking coffee, soda, and tea, those who do are opting for stronger doses, driving an overall increase in caffeine intake.
The study, which analyzed data from over 49,000 U.S. adults, found that coffee now accounts for 70% of total caffeine consumption—an increase of 15% since the previous 2010-2011 survey. Meanwhile, carbonated soft drinks have seen a 27% decrease in caffeine contribution, now making up only 15% of total intake. Tea consumption has also dropped significantly, with 50% fewer tea drinkers overall.
However, the study highlights an interesting trend among the remaining tea drinkers, who have nearly doubled their caffeine intake from tea. This suggests that while fewer people are drinking tea, those who do are consuming it in stronger or larger quantities.
Energy drinks, which were less prevalent a decade ago, now account for 6% of total caffeine intake. The number of energy drink brands on the market has surged from 559 to 970, contributing to their growing popularity.
Despite these shifts, the study emphasizes that average caffeine intake remains below the recommended daily limit of 400 milligrams, which is considered safe by health experts. This equates to roughly two to three 12-ounce cups of coffee per day.
Study author Diane Mitchell of the Institute for Advancing Health through Agriculture at Texas A&M AgriLife stressed the importance of tracking these evolving trends. “We are all aware that the caffeinated beverage market has changed dramatically over the past 10 years, yet no comparable, comprehensive caffeine intake data have been published in recent years,” Mitchell stated in a news release.
The researchers concluded that continued monitoring of caffeine consumption patterns is necessary, given the constantly evolving beverage market and its potential impacts on public health.
Disclaimer: This article is based on research findings and is intended for informational purposes only. It does not constitute medical advice. Individuals concerned about their caffeine intake should consult a healthcare professional.
Reference: Diane C. Mitchell et al, “An update on beverage consumption patterns and caffeine intakes in a representative sample of the U.S. population,” Food and Chemical Toxicology (2025). DOI: 10.1016/j.fct.2025.115237
