Most people don't need a truck, maybe, but the three top-selling vehicles in the US are trucks. And in 2017 only 35% bought cars, with the rest being trucks and SUVs.
To be exact 67% of people live in such countries, and 83% of people live in countries more dense than US.
Source: http://worldpopulationreview.com/countries/countries-by-dens... https://docs.google.com/spreadsheets/d/1aoJUhDHhhIvLRSPLsT7b...