The line graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The graph illustrates the proportion of people aged 65 and over in three countries — Japan, Sweden, and the USA — from 1940 to 2040. Overall, while the percentage of elderly people increased in all three countries, Japan is projected to experience the most dramatic rise, especially after 2000, overtaking both Sweden and the USA […]