Wow, I didn’t realize that Nigerians were part of the British commonwealth.
The average IQ in Nigeria is 84. Pretty dumb lot. It's worse in the surrounding countries.
The average IQ in Niger, to the north, is 69.
The average IQ in Chad, to the east, is 68.
The average IQ in Cameroon, to the southeast, is 64.
The smartest country that borders Nigeria is Benin, where the average IQ is 70.