Smartphone penetration by socioeconomic groups

How different are advantaged from disadvantaged Americans in whether or not they use a smartphone? How much has this changed since before the pandemic? How do historically socioeconomically advantaged groups such as high-income or college graduates compare to disadvantaged groups such as single parents, low-income, less-educated, elderly, or people of color? This TUP analysis reports on the penetration of smartphones within each socioeconomic group.