After India , one of the largest Commonwealth countries by population is the United Kingdom ( more than 64 million ) .
After India , the next-largest Commonwealth countries by population are Pakistan ( 180 million ) , Nigeria ( 170 million ) , Bangladesh ( 156 million ) , the United Kingdom ( 65 million ) , South Africa ( 55 million ) Canada ( 36 million ) , Ghana ( 27 million ) and Australia ( 24 million ) .
Commonwealth of Nations