The World section will offer hard-hitting analysis, a gallery of the best creative work from around the world, a spotlight on international media, marketing and creative talent. It will also look at how clients are innovating around the globe.
Stuart Elliott's view of the business from a US perspective will run in World, to be edited by Campaign's Lucy Aitken, now Reports editor.
Caroline Marshall, Campaign's editor, said: "Most significant advertising and media decisions have an international dimension now and our World section will reflect the reality of the market.
"This is about Campaign acting as an even broader showcase for brilliant work and innovative thinking."