The line graph illustrate number of population in particular country by age group starting in 1960 and including a future prediction to 2040. Overall, except 65+ age, the percentage of individual age decreased sharply through out the period. Moreover, the biggest downward trend faced in 0-14 groups around 20%.
In detail, in 1960, 0-14 and 15-60 age groups starts in different place which accounted at nearly at 20% and around 55% of each group. 0-14 groups decrease slightly in the 1960-1970 and remain stable in 1980-1990 before fall significantlly over the next period with approximately 20% of total. In comparison 15-64 age group witnessed a flactuate trends between 1960 and 1990 before drop sharply about 15% in the following years.
By contrast, the proportion of elderly people rises consistently from about 15% in 1960 to 20% in 1990, then increases more gradually to 30% in 2010 and is projected to reach approximately 45% by 2040.
