"Global Cities of the Future" is an interactive map that allows the user to explore the cities and emerging urban clusters that will drive dramatic growth and demographic changes over the next generation. Which of them will contribute the largest number of children or elderly to the world’s population? Which will rank among the top 25 cities by per capita GDP? How will regional patterns of growth differ? This visualization points to the answers to these questions by allowing the user to browse through city-specific highlights of more than 2,600 metropolitan areas around the world.