In this week’s Forefront story, David Lepeska explores the construction boom transforming Istanbul and other fast-growing global cities. He points to the tens of billions that will be spent on Mumbai’s new metro lines and the $600 billion per year China has allocated for its current housing push, while digging into Istanbul’s rapid-fire redevelopment. “Prime Minister Recep Tayyip Erdogan,” Lepeska writes, “has nearly $100 billion worth of construction projects on the drawing board.”

So where is all that money headed? See how the billions break down in the infographic below.