Due to its rich culture and history, Mexico is the eighth most visited country in the world, with 35 million international arrivals in 2016. Mexico ranks first in the Americas and seventh in the world in number of UNESCO World Heritage Sites. Covering almost two million square kilometers (over 760,000 sq. mi.), with an estimated population of over 120 million, it is the eleventh most populous country, and the most populous Spanish-speaking country in the world, and the second most populous country in Latin America.