The graph provided illustrates populations distribution in three respective cities between 2000 and 2020. There are three colours that represents each of the cities with green colour represents City A, followed by red which represents City B, and lastly green which illustrates City C. Additionally, the graph also provides two categories of populations distribution, cities that faced an increase in their populations and a city which has a moderate decline in terms of their population.
The population of City A faced a significant increases for more than twice the amount of their original populations from 2 million of peoples in 2000 into having 5 million population in 2020. Other than City A, City B also has an increase in their population but it is not as significant as City A but instead, it is more of a moderate growth from 4 million of peoples in 2000 and grows to 4.5 million of people 20 years later.
Contrary to Cities A and B, City C faces a decrease in their population from having three million of populations to only 2.5 million of populations in 2020.