POPULATION ESTIMATES AND SOCIODEMOGRAPHIC COMPARISONS Just over 6.8 million Americans living outside of institutions use assistive devices to help them with mobility. This group, which amounts to 2.6 percent of the non-institutional population, comprises 1.7 million wheelchair or scooter riders (0.6 percent of the population) and 6.1 million (2.4 percent of the population) users of … Read more