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

the given line graph depicts the modification in the percentage of children born in 3 different countries over an 80-year period, starting from 1920.

overall

, it can be seen all of the lines have a similar trend upward, but there were details different in the lines.

for example

in the USA and Sweden countries, there was a smoothly upward trend

whereas

in Japan from 1940 to 1980 gradually decreased from 5% to just around 3%

however

after that we saw a big rise to 2020 especially in the period time 2020 to 2040. there was a big sharp that included 25%. Looking at the chart for more detail, only Sweden has a gradual and continuous rise

while

the USA from 1980 to 2020 has a constant and stable situation. it chart shows the Japanese government's population policy was very successful and changed the wrong ways detected.

Therefore

japan is a pattern country to others with a rising population and we might get help from

this

country.