The bar chart provided illustrates the proportion of the world population in four different countries between over a 50-year period, from 1950 to 2000, along with projections for 2050.
Overall, it is evident that China had the largest percentage of the world population in the past. In contrast, India’s population is forecasted to grow significantly and become the largest by the end of the given timeframe. On the other hand, the proportion of the world’s population from Japan declined over the years and is projected to follow a similar trend.
In 1950, China had the largest percentage of the world population, accounting for more than 25%, followed by India, which also had a significant share and stood at 15%. By 2000, China’s share had dwindled slightly by 4% and was at 23%, while the reverse was true for India, which experienced a notable growth by 4% and stood at 19%. The former is anticipated to drop further accounting just under a fifth by 2050, while the latter is expected to continue to rise and is predicted to be at around 23% by the end of the given timeline.
Turning to the USA and Japan, the former started at 10%, compared to 5% for the latter. Interestingly, by 2000, the trend for the USA fell markedly by 2% to 8% and is predicted to remain at the same level by 2050. In 2000, the graph for Japan went down by 2%, and it is projected that the graph to drop further, ending the given period at 2%.