The bar chart compares with regard to the growth of populations in three distinct regions in the fifty-year period from 1950 to 2000.
Overall, the populations in China and India, as well as in the USA, albeit to a lesser extent, followed upward trajectories. Of particular note is that the population of China had become the highest among the others throughout the time frame. In addition, the order of countries in terms of dominance had remained consistent.
Breaking this down further, the number of people in both India and the USA showed constant rises, without fluctiations. Starting at below 400 million people in the initial year, the former witnessed a gradual increase and ended the survey at 1 billion people in 2000. Similarly, in the latter region (the USA), where there were a fewest individuals, at approximately 180 million people firstly, then climbed constantly. Despite this country experiencing rises more slowly, the number of American people reached roughly 280 million by the end of the period.
Conversely, a slightly different scenario was observed in China, where the pattern did not stay relatively stable. At the first year, its population went up steeply to around 650 million people until 1960, while it maintained more or less the same level for the next 3 years. Thereafter, the number of Indian people picked up again and increased significantly, almost doubling and finishing at a chart-high of 1 billion and 280 people in the last given year.