Ecuador's population is 15.2 billion.
Ecuador ( [ ˈɛkwədɔːr ] , [ ekwaˈðor ] ) ( Ikwadur ) , officially the Republic of Ecuador ( [ República del Ecuador , ] , which literally translates as `` Republic of the Equator '' ; Ikwadur Ripuwlika ) , is a representative democratic republic in northwestern South America , bordered by Colombia on the north , Peru on the east and south , and the Pacific Ocean to the west . The legacy of both empires is reflected in Ecuador 's ethnically diverse population , with most of its 15.2 million people being mestizos , followed by large minorities of European , Amerindian , and African descendants . World population . The world population was estimated to have reached 7,500,000,000 at 16:21 ( UTC ) on April 24 , 2017 . The United Nations estimates it will further increase to 11.2 billion in the year 2100 .