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


The given illustrations show information on the world population from 1800 to 2100 (with projection) and show the distribution of this population in developed and developing regions. According to the first graph, from 1800 to 1920, the global population was less than 2000 million with a slight increase.
The provided illustrations show information on the world population from 1800 to 2100 and the distribution of this population in developed and developing regions. As per the line graph, the global population increased comparatively slowly from 1800 to 1940 and reached over 2000 million in 1940.