IQ-wise: forget about India (they might have 200 million of IQ>100, but their other 1 billion with IQ<100 is a gigantic millstone around those 200 million's collective neck), and better watch China: avg IQ 100, and that includes poor areas with nutrition and medical services problems. After they pull them up, it will be 105-107. Our only hope is that their social system with its maniacal insistence on control would damp them down.
I got real concerned about the capabilities of the Japanese when I saw how they built their cars. I stopped being concerned when I saw how they drive them.