The phrase "underdeveloped regions" refers to places or areas that have not progressed or advanced as much as other areas. These regions are usually lacking in infrastructure, resources, and opportunities for their people to thrive. Full definition
Why did northwestern Europe, a politically unimportant, sociologically underdeveloped region of the world, suddenly became the powerhouse of the Industrial Revolution, the capitalist crucible that created modernity? (bookbrowse.com)
A good number of them even spend a portion of their profit installing green tech in underdeveloped regions, further increasing the green image. (entrepreneur.com)
Oil and gas and mining companies operate in some of the most underdeveloped regions on earth. (pearltrees.com)