Cambridge IELTS 5 test 5 task 1

Information is illustrated by a multiple graph lines that shows changes and differences in the percentage of people of 65 and over in three countries.
Overall , it can be clearly seen that there is a increasement in the proportion of elder people in Japan , Sweden and USA. And almost all the countries reaches up to about 25 %.
Turning on detail's, about 7% of population was covered by old citizens in Sweden at 1940 but increased upto 25 over a century .While USA grows from 9 to about 24 % at the same period of time.
In contrast , a dramatic increasement can be seen in the percentage of people aged 65 and over in Japan from 5 % to 27% which is more than a five times of 1940.
Finally , it can be concluded that more people starts to live longer in all counties.