the graph shows the proportion of population age 65 and over between 1940 and 2040 in three different countries USA, Japan and Sweden .

these statistics illustrate the percentage of groups aged 65 and over during 100 years in three regions.

it is clear that

although

the USA had the top rank in 1940, it will stay at the lowest rate in 2040.

moreover

, the percentage of older people in japan stood in the lowest rank though it will switch to the high rank in 2040.

according to

the graph, the figure for age65 years and over was about 5% in japan in 1940.

as well as

, the proportion of the population in japan showing a marginal decrease between 1940 and nearly 1990.

also

, that rose significantly from 1990 and it will stay over 25% in 2040.

in addition

, there were the amount of USA and Sweden 9 and 7 per cent, respectively.

thus

, the statistics of these countries illustrate the number of people who were 6 years and over growing up rapidly and

this

will stand at over 25%

at the end

of the period of

this

question.