The graph below provides information about the bonus of the society aged 65 and over during the 1940 to 2020 period in 3 different territories. 
Overall
, Linking Words
it is clear that
 the lowest ratio of elderly people Linking Words
were
 represented by Japan. 
Change the verb form
was
While
, Linking Words
on the 
Linking Words
contrary
 the highest percentage of the latter was present in Add a comma
,contrary
USA
. In 1940 the proportion of elderly people in the USA went through many considerable fluctuations during the period from 1940 until 2040 where it estimated a gradual growth, Correct article usage
the USA
Linking Words
however
 compared to the beginning the USA ratio Add the comma(s)
,however
decrease
 drastically, becoming Wrong verb form
decreased
in 
2040 the territory with the lowest percentages. Some fluctuations occurred in Sweden as well, Change preposition
apply
in 
1940 Change preposition
apply
this
 territory accountedLinking Words
 5
% of Change preposition
for  5
ancient
 population, Add an article
an ancient
Linking Words
however
 it accomplished a markedly rose in 1980, Add the comma(s)
,however
then
 following other fluctuations until 2020, Sweden had a rapid Linking Words
and 
Correct word choice
apply
increase
 becoming the Replace the word
increasingly
second
 country with the highest chunk of those people. Linking Words
On the other hand
, at the Linking Words
beginning
 Japan was the country that accounted Add a comma
,beginning
the
 lowest Change preposition
for the
percent
 of these individuals. 
Replace the word
percentage
This
 situation drastically changed starting from Linking Words
the 
2020 until Change the article
apply
the 
2040 years, Correct article usage
apply
where
 a Correct word choice
when
sharply
 and Change the word
sharp
a 
fast Correct article usage
apply
changed
 occurred, making Japan the country with the highest feeReplace the word
change