The table given us illustrate or clarify the percentage of the populations in different age groups with more specific details differents years are shown of a single country.
Age groups are 0-14, 15-24, 25-54 and 55+.With the years 2000,2010 and 2020 exactly a decade difference. In 2000 the most countable age group or popluation was 25-54 it was exactly 40% and then toddlers and starting teen age which were 25% and the least was the middle age adults 55+ which were only 17%. After a decade in 2010 again the most highest age group were the adults age group 25 to 54 with higher rate around 42% and again the least was middle age adults around 16%. After a decade in 2020 again the most rising population of age group was the adults upraising upto 43% and least was again middle age adults falling at 18%.
This table illustrate that within 3 three decades the most rising age group were the adults and the falling or decreasing population or age group was middle age adults.
