Look even expanding your scope here, only 40% of them live in early suburbs vs late and exurb. And only the early suburbs from the top 6 metropolis. The vast majority of small metropolis early suburbs look nothing like this.
North America as well as Latin America and the Caribbean were the regions with the highest level of urbanization, with over four fifths of the population residing in urban areas.
Looking at counties instead of actual cities is your problem.
Suburbs are a part of a city.
Look even expanding your scope here, only 40% of them live in early suburbs vs late and exurb. And only the early suburbs from the top 6 metropolis. The vast majority of small metropolis early suburbs look nothing like this.
https://css.umich.edu/publications/factsheets/built-environment/us-cities-factsheet
https://ourworldindata.org/data-insights/the-majority-of-people-in-the-world-now-live-in-cities
https://www.statista.com/statistics/270860/urbanization-by-continent/
Looking at counties instead of actual cities is your problem.