The line graph illustrates the proportions of the population aged 65 and over in the USA, Sweden, and Japan from 1940 to 2040.
Overall, it is evident that both the USA and Sweden experienced a significant rise in their elderly populations over the period, while in Japan, the percentage of this demographic witnessed a downward trend initially.
In 1940, the proportion of the population aged 65 and over in the USA was 9%, while in Sweden it was 6%. Meanwhile, the percentage of recycled waste in the USA rose to 15% by 1980, remaining steady until 2020, and finally reaching between 20% and 25%. In contrast, Sweden’s percentage grew to 25% by 2040.
Japan started with the lowest proportion among the three countries at 5% in 1940. However, it dramatically declined to below 5% between 1980 and 2000. Subsequently, there was a notable increase, bringing it to over 26% between 2020 and 2040. Despite this growth, Japan’s proportion of the population aged 65 years and over remained lower than that of the USA and Sweden by the end of the period.
