The Turkish Statistical Institute estimates that the population of Istanbul Metropolitan Municipality was 14,377,019 at the end of 2014, hosting 19 percent of the country's population.
Badan Statistik Turki memperkirakan bahwa populasi Munisipalitas Metropolitan Istanbul mencapai 14.377.019 pada akhir tahun 2014, menyumbangkan 19 persen populasi negara tersebut.