Latin America is the group of countries and dependencies in the Americas where Romance languages are predominant. The term originated in 19th century France to consider French-speaking territories in the Americas along the larger group of countries where Spanish and Portuguese languages prevail. It is therefore broader than the terms Ibero-America or Hispanic America—though it usually excludes French Canada. Latin America consists of twenty sovereign states and several territories and dependencies which cover an area that stretches from the northern border of Mexico to the southern tip of South America, including the Caribbean. It has an area of approximately 19,197,000 km2 (7,412,000 sq mi), almost 13% of the Earth's land surface area. As of 2015, its population was estimated at more than 626 million and in 2014, Latin America had a combined nominal GDP of 5,573,397 million USD and a GDP PPP of 7,531,585 million USD. The term "Latin America" was first used in 1861 in La revue des races Latines, a magazine "dedicated to the cause of Pan-Latinism".