The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries. Summarise the information by selecting and reporting the main feature and make comparisons where relevant.

The line chart compares the percentages of the elderly

population

in the

USA

,

Sweden

, and

Japan

from 1940 and it

also

gives a projection ò the

ratio

of senior

citizens

in these countries till 2040.

Overall

,

it is clear that

till 1990 the proportion of aged people in the

USA

was higher than that of

Japan

and

Sweden

. After 2000,

this

ratio

in

Sweden

went higher than that of the

USA

and

Japan

.

Japan

is expected to see the most dramatic changes in its elderly

population

and projected that the Japanese elderly

population

will rise dramatically in the coming decades. In detail, around 9%

population

in the

USA

was 65 or older in 1940.

This

ratio

increased to 15% after four decades but after 1990, it declined by 1% and remained stable. It is estimated that around 23% of

citizens

in the

USA

will be either 65 or older in 2040. The percentage of Swedish elder people was 7% in 1940, and it rose gradually and exceeded the

USA

's proportion of senior

citizens

in 1990. In 2040, one in every five Swedish would be 65 or older.

Besides

, 5% of Japanese were 65 or above in 1940 and the

ratio

declined and remained stable between 1960 and 1985. It soared by 2%

afterward

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afterwards

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and

then

climbed steadily. It is predicted that more than one-quarter Japanese

population

would be older

citizens

in 2040 and

this

ratio

would be higher than that of the

USA

and

Sweden