In 60 years, world GDP grows 11 times, Kazakhstan - 16 times in 15 years: Nazarbayev
"The world entered the period of global mega-changes. For the last 60 years world GDP grew by 11 times. Pay attention, we in 15 years grew by 16 times, the world in 60 years only by 11 times. Other countries for this purpose needed 100-150 years," President said.