"Our transportation decisions are often made with the assumption that everyone drives. But what about those who are too young, too old, too poor, disabled, or choose not to drive because of concerns about the future of the planet? Depending on what numbers you pick, the percentage of the US population that does not drive is approximately 30%. And this population appears to be growing." https://allaboardnw.org/blog/how-many-people-do-not-drive/