近4200万人！这座城市取代东京，成全球人口最多大都市

Core Insights - The United Nations' report indicates that Jakarta has surpassed Tokyo to become the world's most populous city, with a population nearing 42 million [1][2] - The report highlights the rapid urbanization trends globally, with a significant increase in megacities, and predicts that by 2050, Dhaka will become the most populous city with an estimated population of 52.1 million [4][7] Urban Population Dynamics - Jakarta's population growth has been significant, moving from 33rd place in 2018 to the top position in 2025, while Tokyo's population growth has lagged behind [4] - The report notes that the number of megacities (cities with over 10 million inhabitants) has increased from 8 in 1975 to 33 by 2025 [7] Challenges of Urbanization - Jakarta's rapid population growth presents multiple challenges, including air pollution, traffic congestion, and land subsidence, exacerbated by the limited core area of approximately 661.5 square kilometers [4] - The report emphasizes the need for comprehensive national policies to ensure balanced urban and rural development, addressing housing, land use, transportation, and public services [7]