The Next Eleven ( or N-11 ) are eleven countriesâ '' Bangladesh , Egypt , Indonesia , Iran , Mexico , Nigeria , Pakistan , Philippines , South Korea , Turkey and Vietnamâ '' that Goldman Sachs investment bank says will probably become some of the world 's largest economies in the 21st century , together with the BRICs . The Next Eleven ( or N-11 ) are eleven countriesâ '' Bangladesh , Egypt , Indonesia , Iran , Mexico , Nigeria , Pakistan , Philippines , South Korea , Turkey and Vietnamâ '' identified by Goldman Sachs investment bank as having a high potential of becoming , along with the BRICs , the world 's largest economies in the 21st century .