The provided chart demonstrates the US sales of recordings by 5 different age groups and 4 various genres in a single year, 2010.
Overall, while jazz was more popular among the middle-aged (32-45), rock was mostly preffered by 23-31 groups. Additionally, pop had the highest number of music records sold by 16-22 age group; following this, the second biggest number of record sales was seen by classical music among the elderly (58+).
Over the ages, classical music became popular, starting its number of sales at around 2 million units, reaching its peak of over 4.5 millions after seeing a slight increase in thr 46-57 age groups. The same upward trend alike can be seen in record sales of jazz through different age groups, from 2 million in thr first age group to 3 million units sold to the last one. Hovewer, the 3 million peak was hit by 32-45 year-olds in 2010.
Rock has by far been the most popular music type among any age group given, sales fluctuating over age groups, at around 4 million units sold both to 16-22 and 46-57 year-olds, then reaching its peak at over 4 million to 23-31 year-olds. The next three age groups were less interested in rock, purchasing of at least 3 million units each. The last music genre pop was by far the most preferred destination for music lovers, having almost 5 million unit sales in 2010. Hovewer, by every age group, the number of record sales of pop decreased drammatically, being the least popular type of music among all age groups.