Most people have not lived in cities until the past decade, globally, or past few decades in selected industrialised countries.

Globally, the figure is about 55%, passing the midpoint in the 2010s. The US became 50% urban in the 1920s. For England and Wales, the 1890s.

https://en.wikipedia.org/wiki/Urbanization#/media/File%3AHis...

https://en.wikipedia.org/wiki/Urbanization