Q1 average upload usage rose 19.8% nationally, far outpacing 7.8% download growth and challenging network models built around much heavier downstream demand.
OpenVault said the shift has been building since 2024, when upload usage grew 13.2% versus 7.7% for downloads in the first quarter.
AI is a key driver: Fierce Network reported inference traffic moving toward the edge, especially from video surveillance, camera-equipped wearables and cloud-based industrial systems.
OpenVault also attributed much of the increase to software syncing with data centers, while some observers said the biggest pattern changes may be concentrated in urban, business-heavy ISP networks rather than residential markets.
If the trend broadens, engineers who have long treated upload capacity as secondary may need to rethink how they size and manage broadband networks.