Its 28,000 - mile [46,000 kilometer] coast, a natural border shared by 20 countries, is inhabited by more than 160 million people, a figure projected to double by the year 2025.
קו החוף נמתח לאורך 46,000 קילומטרים ומהווה גבול טבעי ל ־ 20 מדינות.