Band 6+: The chart below shows the percentage of whole world population in four countries from 1950 to 2000, with projections till 2050. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The bar chart illustrates the proportion of world population in four different countries—namely, India, China, the USA, and Japan,—between 1950 and 2000, also indicates the projection for 2050.

Overall, what stands out from the chart is that the highest proportion of world population was in China from 1950 to 2000 and also will be projected in India in the year 2050. By contrast, Japan saw the biggest fall in population among these years.

In terms of China, the proportion of the world population was higher in the years 1950 and 2000 and in 2050 will be projected for the world population in India, just over 25%, under 25% and around 21% of people, respectively.

However, India followed the opposite trend; the world population was almost 15% and just under 20% of people between 1950 and 2000, respectively and around 19% of people will be projected in China in the year 2050.

On the other hand, in the USA, 10% of people were present in 1950, and the proportion of the world population remained the same between 2000 and 2050, approximately 8%. Subsequently, around 5% and nearly 5% of people were present in 1950 and 2000, while only 3% of people will be present in the year 2050; it saw biggest drawback over the period.