The G77+China, a group of developing and emerging countries representing 80 percent of the world's population, kicked off a summit in Cuba Friday with a call to "change the rules of the game" of the global order.

The meeting comes at a time of growing frustration with the Western-led world order amid widening differences over the Russian war in Ukraine, the fight against climate change, and the global economic system.

"After all this time that the North has organized the world according to its interests, it is now up to the South to change the rules of the game," Cuban President Miguel Diaz-Canel said at the opening of the summit.