More than a third of the total Mexican economy is concentrated here.
The size of its economy is USD315 billion, that's compared to USD1.1 trillion for New York City and USD575 billion for Chicago.
On or soon after these dates is when most Mexicans will go out, especially if payday coincides with a weekend.
F.), a federally-administered area (that is, not part of any Mexican state) which acts as the capital of Mexico. According to common usage, Mexico City is the same as the Federal District, but these are arbitrary legal fictions and aren't an accurate measure of city size. Hence, the creation of each city's respective metropolitan area in the 50's and 60's.
Knowing what colonia you're going to is essential to getting around, almost all locals will know where a given colonia is (but note that there are some colonias with duplicate or very similar names).
As with many very large cities, the structure is relatively decentralized, with several parts of the city having their own miniature "downtown areas." However, the real downtown areas are Centro, the old city center, and Zona Rosa, the new business and entertainment district. Some people may have breathing difficulties at high altitudes and experience difficulty when breathing. This is far higher than any metropolitan area in the United States.
Mexico City's Human Development Index (2009-MHDI) is the highest in Mexico at 0.9327. Most of the large local and multinational corporations are headquartered here, mainly in the Polanco and Santa Fe districts.
Mexico City weather is divided in two seasons, dry season from November to April, and the rainy season from May to October.