Final answer:
Exact percentages of people who have older relatives forwarding them jokes via email are not available, but the social and technological trends, including varied internet usage patterns among different age groups and the shift towards mobile communication, suggest changes in digital content sharing.
Step-by-step explanation:
The question at hand does not provide explicit data regarding the percentage of people who have older relatives who forward them jokes via email. However, we can contextualize this inquiry within broader social and technological trends. Internet usage patterns vary by age, and older adults who have adopted email as a means of communication do often engage in sharing content such as jokes, pictures, and chain letters with family and friends.
Considering a 2008 report mentioned that approximately 20 percent of U.S. households had never sent an email, it's reasonable to assume that households with internet access may have engaged in forwarding content like jokes. Moreover, with 83 percent of Americans aged 30-34 using cell phones exclusively, as reported by the CDC in 2020, the means of communication have diversified, which possibly changes how jokes and content are shared amongst different age groups.
While exact percentages required by the question are not available, the increased reliance on smartphones and the diversification of communication technologies certainly influence the way family members interact and share experiences digitally, including the forwarding of emails containing jokes.