The given pie charts represent the ratio of employers by age in the public sector in the UK in 2015 and 2020.
Overall, there are 5 main age groups: from 21 up to 50 years old. There was a leading group, 21-30, which not only remained its positions, but even increased it. Also, there was a group of outsiders, 31-40, whose losses in 5 years were the biggest.
To begin, some groups showed a downward trend throughout the whole period. For instance, in 2015 the group under 21 was at 14 percent, in 2020, it slightly decreased to 12 percent. Likewise, the group of 31-40 extremely fell from 21 percent to 11 percent by 2020. The group over 50 also showed a slightdecline, in 2015 there was 23 percent, in 2020 it dropped to 16 percent.
Interestingly, there were groups showed an upward trend from 2015 to 2020. For instance, in 2015 group of 21-30 was 23 percent, however, in 2020 it sharply surged to 33 percent. Similarly, group of 41-50 steadily rose from 19 percent to 28 percent by 2020