The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries.

The given line chart demonstrates the percentages of the

population

who were

or

Correct word choice

apply

show examples

older than 65 years old in three different countries, and their estimated proportion in the future from 1940 to 2040.

Overall

, Sweden has the most significant proportion of

elderly

Correct article usage

the elderly

show examples

, but, Japan's elder

population

will take over the leading status in 2030. Both the USA and Sweden followed

similar

Correct article usage

a similar

show examples

upward trend from 1940 to the present. The ratio of the elder

population

in the USA is around 15 per cent which is 3% less than their Sweden counterpart. Both of the countries will increase moderately to over 20% from now to 2040.

Moreover

, between 1990 to 2015, the elder

population

of the USA

constant

Add a missing verb

was constant

show examples

at 14% which was remarkable. Before 2010, the proportion of the community who were aged 65 and higher was around 4-5 per cent per year.

Then

,

this

increased moderately from 2010 to the present

,

Remove the comma

apply

show examples

and will increase

expontentialy

Correct your spelling

exponentially

to 25% in the middle of 2030s.