Delineated in the line graph is the trajectory of the Japanese general populace by age bracket, across three distinct categories over an 80-year period, commencing in 1960.
Overall, the graph reveals a significant shift in Japan’s population distribution. The elderly demographic experienced a pronounced upward trend; meanwhile, the figure for children exhibited some initial variations, ending the period as the lowest category. On the other hand, the working-age population remained largely unchanged, although it showed a slight decrease at the end of the forecast period.
Looking at the details in 1960, the figure for adults stood in the vicinity of 65%, while that of offspring was just about 30% and elderly people were nearly non-existent with only around 5%. Over the subsequent years, the figure for grown-ups remained relatively stable throughout the timeframe, hovering around 65-70%, before culminating at roughly 60% in 2020; nevertheless, the adults proportion is projected to fall slightly to nearly 59% in 2040. Conversely, the proportion of youngsters started at approximately 30%, and despite some frequent fluctuations, eventually reached around 15% by the end of 2020; nonetheless, it is forecast to drop to approximately 10% by 2040.
Turning attention to the remaining categories, the senior citizens showcased a completely divergent trajectory. It began at a mere 5%, but then experienced significant growth, surpassing 29% in 2020; however, it is expected to rise moderately to roughly 35% by 2040.