Mexico Mexico's billionaire business tycoon Carlos Slim. The government of the state of Yucatán is also funding the construction of a high speed line connecting the cities of Cozumel to Mérida and Chichen Itza and Cancún. Mexico has 233 airports with paved runways; of these, 35 carry 97% of the passenger traffic. The Mexico City International Airport remains the busiest in Latin America and the 36th busiest in the world transporting 45 million passengers a year. Among the achievements is a significant increase in access to piped water supply in urban areas (88% to 93%) as well as in rural areas
Mexico City air becoming cleaner since 1991, when the air quality was declared to be a public health risk for 355 days of the year. Mexico City is one of the most important economic hubs in Latin America. The city proper produces 15.8% of the country's gross domestic product. According to a study conducted by PwC, Mexico City had a GDP of $390 billion, ranking it as the eighth richest city in the world and the richest in Latin America. Mexico City alone would rank as the 30th largest economy in the world. Mexico City is the greatest contributor to the country's