If the indexes for arriving at these estimates are right, then what is Nigerian Government doing to curb the harsh innevitable poverty challenges that is certainly going to rise with growth in population without considerable increase in standards of living of it's Citizens,

Below is an excerpt from the article.

PARIS (AFP) – The world’s population will rise to 9.7 billion in 2050 from the current level of 7.1 billion and India will overtake China as the world’s most populous nation, as Nigeria’s population will outstrip that of the United State a French study said Wednesday.......

Culled from http://www.naijamoment.com/2013/10/worlds-population-hits-97bn-by-2050.html