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The image displays a line graph titled 'Population by age group (% of total)' with data points for the years 1960, 1970, 1980, 1990, 2000, 2010, 2020, 2030, and 2040. For the 0-14 age group, the percentages are: 1960, 30%; 1970, 25%; 1980, 25%; 1990, 20%; 2000, 14%; 2010, 13%; 2020, 12%; 2030, 11%; 2040, 10%. For the 15-64 age group, the percentages are: 1960, 54%; 1970, 61%; 1980, 57%; 1990, 60%; 2000, 59%; 2010, 55%; 2020, 49%; 2030, 48%; 2040, 45%. For the 65+ age group, the percentages are: 1960, 15%; 1970, 15%; 1980, 18%; 1990, 20%; 2000, 26%; 2010, 30%; 2020, 35%; 2030, 40%; 2040, 45%.
Given the complexity of the image, the above description may not be entirely accurate.
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The graph indicates the change of population proportion by age from 1960 to 2040. It also consists of old data and future forecast.
Overall, 65+ age group increased sharply from 1970 to 2040. On the other hand, 0-14 age group decline steadily from 1980 to 2040. There are nearly no change at 15-64 age group when it compares with other groups.
Looking at the graph details, in 1960, the eldest group accounted for about 15%, which was the lowest proportion among the groups. The youngest group recorded around 30%, which was relatively higher than the eldest group. In 1990, two groups meet at the certain point in the graph, which is about 20%. Based on this point, the eldest groups’ rate gradually increased while the youngest groups’ rate slightly dipped. As a result, the graph illustrates the eldest group will make up nearly 45% while the yougest group will record about 10% in 2040.
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