The graph below shows the proportion of population aged 65 and over among the US, Sweden and Japan.

The given line chart represents the percentage of the aged population who are 65 years and above across three different countries spanning from 1940 till 2040.

Overall

,

Japan

will close highest amongst all by 2040 and has the highest exponential rise for a longer period of time. In the case of the

USA

and

Sweden

, they both followed an almost similar pattern post a certain point in 1980 after which they diverged in their pattern and eventually, closed in the bracket of between 20-25%.

Firstly

, in 1940,

Japan

started at 5%

while

the

USA

and

Sweden

started at between 5-10% with the previous being higher in that range. Till 1960,

Japan

followed a downward trend after which it stayed the same till 1980.

On the other hand

, the

USA

and

Sweden

followed an increase till 1980. After 1980,

Japan

followed a steep rise and will continue that trend till 2040.

In contrast

,

Sweden

follows a zig-zag pattern of ups and downs

while

the

USA

followed a slight decline and maintained that motion and

finally

, closing between 20-25% by 2040 and the closing range will hold true for

Sweden

.