Jakarta has surpassed Tokyo as the world's largest city, marking the rise of megacities as densely populated urban hubs that are increasingly common globally. (142 characters)
Jakarta now ranks as the biggest city worldwide.
It qualifies as a megacity—high-density population centers growing more prevalent.
Jakarta is now the biggest city in the world. The big picture: It's what is known as a megacity, population-dense hubs that are becoming more frequent...