The following bar charts compares the average age distribution of the population of Scottish in the years 1991 and 2001 Summarize the given information b reporting the main features and making comparisons where relevant

The bar graphs show notable changes in the age distribution of the Scottish inhabitant, divided into six age groups throughout a decade from 1991 to 2001.
During the given period, there were more people older than 60 than youngsters under age 15. This gap was likely to show that the Scotland population shifted from predominantly young to middle-aged and elderly.
In 1991, the percentage of people who are aged 15 to 29 was the highest population in Scotland at 23%, whilst the proportion of people who belong to the 40 to 59 age group was the lowest at about 17%.
Over ten years from 1991 to 2001, the percentage of people who are aged 0 to 14 stayed constant at 19%, while the percentage of people in the 15-29 age bracket was dropped gradually from 23% to 18%. However, the percentage of people aged 30 to 44 increased significantly from 21% to 23%. Likewise, the rate for middle-aged people and elderly people rose slightly at about 19% and 21%.