Intelligence is based on individuals and not country. If there are a lot of brains coming out of Japan or India, then the reason is not that those people are born brainy but because they have been imparted that kind of studies and expertise. And if any individual is smart he absorbs this faster.
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if we see independly, that is Pakistan.
Pakistan have small country then india, china, japan, austriala.
But we see. Pakistan born many telanted peoples.
Dr. Abdul Qadeer Khan (Father of Pakistani Atomic bomb)
Wasim Akram (hightest oneday wicket taker) cricket
Saed Anwer (higest indivual inning score) cricket
Shoib Akther(fatest bowler of the world)
forgot here name. She is smallest girl of the world who become microsoft certified, (her age 9 years old) recently she meet bill gates
and many more.