Smartphone dependency affects about 15% of U.S. adults. This has generally decreased from 20% in 2018.
The definition of smartphone dependency or addiction is a tricky subject.Difficulties in defining, pinpointing and measuring smartphone addiction. From Wikipedia

This particular example perfectly highlights why Smartphone Dependency Definition is so captivating.
Based on this definition, the present study develops a scale of smartphone dependency, aiming to measure to what extent users dependency of smartphone is.

Addressing Smartphone Dependency. To combat smartphone addiction and reduce excessive usage, there are various strategies and healthy habits that individuals can adopt.