The line chart compares the proportion of people who participate in the music concert among different age groups in one city from 2010 to 2015.
Overall, the percentage of people aged 55-64 years decreased over a period of time, while other age groups witnessed a reversed trend. In addition, the figure for age 25-44 showed the most significant growth.
Regarding the increasing trend, the attendance of 25-44 noticeably rose from 40% to 58% in the first year, and slightly increased to 61%, then reached a peak of 70% in 2015, which highlighted the most significant growth compared to others. Similar to 25-44, the number of people over 75 years old experienced a sharp leap from 10% to 20% from 2010 to 2011. Although there was a decline in the number of people over three years, in 2015, the percentage of the elderly remained stable at 20%. Falling to 19% and steadily fluctuating in the first four years, the participants’ data of the 45-54 age group surged to 53% in 2015. Furthermore, the 16-24 group recorded a remarkable erratic from 2011 to 2012 and a minimal increase to 20% in the last year.
In contrast, the 55-64 age group saw a gradual variation from 2010 to 2013, starting at 25% and remaining constant at 29%; however, there was a plummet in the percentage and finishing at 20%.