The chart below shows the Japanese's population by age groups starting in 1960 and including forecast to 2040.

The supplied bar chart illustrates the data on the proportions of Japanese who belong to the various age gaps in the years between 1960 and 2040.

Overall

, the share of people included in the 25-64 section was dominant and relatively stable In Japan,

while

the initial rates changed much more for other age groups throughout the period given. In detail, the portion of the old group constituted 5% in 1960,

then

experienced a dramatic growth of 25% till 2020.

This

trend was the opposite for the young generation which decreased by 2 times from 30% in 1960 to 15% in 2020.

Conversely

, the tendency for middle-aged people was relatively static with a minimal change of the initial figure by 5% from 65% to 60% in the same period.

Moreover

, it is anticipated that the statistics will continue their previous patterns for respective groups. A

further

upward trend is expected from the old generation with a considerable change of 5% till 2040,

whereas

the portion of people who are in 0-14 and 25-64 intervals will extra drop approximately 5% and 3% and will make up 10% and just above 55% respectively

at the end

of the same period in Japan.