The table presents the percentage distribution of the population in different age groups in a country for the years 2000, 2010, and 2020.
Overall the most significant change occurred in the 0-14 age group, which declined over the two decades. Meanwhile, the proportion of the population in the 25-54 age group increased steadily, making it the largest group by 2020.
In 2000, the 0-14 age group represented a quarter of the population, but this lipure decreased oy 5% by 4010, and it turther cechned to 40% in 4020.15 contrast, the 25-54 age group saw consistent growth, rising from 40% in 2000 to 4071 2020, the largest proportion among ol broups
The 15-24 age group remained relatively stable, increasing slightly from 18% in 2000 to 20% in 2010, and then decreasine slignty to 18% by 2020. Tne 55+ 826 group experienced a minor fluctuation, initially decreasing from 17% in 2000 to 16% in 2010, before rising again to 18% in 2020
In summary, the country saw a gradually aging population, with a gradually declining younger age .