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In response to the question about whether by 2030, 43 cities in the world will have a population of over 10 million people, the answer is: True.
Here's why:
1. Urbanization: With the global trend of urbanization, more people are moving into cities, leading to an increase in population sizes of urban areas.
2. Current Trends: As of now, several cities around the world already have populations exceeding 10 million, such as Tokyo, Delhi, Shanghai, and others. These cities are experiencing rapid growth.
3. Projections: Based on population growth projections and urban development trends, experts estimate that by 2030, the number of cities with populations over 10 million will increase to around 43.
Therefore, the statement that by 2030, 43 cities in the world will have populations of over 10 million people is true based on current trends and projections regarding urbanization and population growth.