The chart presents data on the population growth of five cities from 1970 to the present day. Overall, the graph shows a general upward trend in population for all cities except New York City, which has remained relatively stable.
Lagos experienced the most significant population growth. Starting at a low point in 1970, its population rose steadily to reach over 20 million by the present day. Tehran also saw a substantial increase, rising from around 2 million in 1970 to approximately 12 million currently. Moscow’s population grew from 7 million in 1970 to 12 million in the present, indicating a significant increase.
In contrast, Beijing’s population, while experiencing growth, also showed fluctuations. After a sharp increase from 5 million to 16 million between 1970 and 1990, the population dipped to around 7 million in 1995. However, it rebounded significantly to reach over 21 million by the present day. New York City’s population remained relatively stable, starting at around 7 million in 1970 and remaining at approximately the same level in the present day.