With a population of about 129 million in 2022, Mexico is the 10th most populated country in the world. It is the largest Spanish-speaking country in the world and the third-most populous country in the Americas after the United States and Brazil, the most populous city in the country is the capital, Mexico City, with a population of 8.9 million (2016), and its metropolitan area is also the most populated with 20.1 million (2010). Approximately 50% of the population lives in one of the 55 large metropolitan areas in the country. In total, about 78.84% of the population of the country lives in urban areas, and only about 21.16% in rural ones.
Monterrey is the capital and largest city of the northeastern state of Nuevo León, Mexico, and the ninth largest city and second largest metro area in Mexico behind Greater Mexico City. Located at the foothills of the Sierra Madre Oriental, Monterrey is a major North American business and industrial hub, as well as the most populous city in Northern Mexico.
Guadalajara is a city in western Mexico and the capital of the state of Jalisco. According to the 2020 census, the city has a population of 1,385,629 people, making it the 8th most populous city in Mexico, while the Guadalajara metropolitan area has a population of 5,268,642 people, making it the third-largest metropolitan area in the country and the twenty-second largest metropolitan area in the Americas. Guadalajara has the second-highest population density in Mexico, with over 10,361 people per square kilometer. Within Mexico, Guadalajara is a center of business, arts and culture, technology and tourism; as well as the economic center of the Bajío region. It usually ranks among the 100 most productive and globally competitive cities in the world. It is home to numerous landmarks, including Guadalajara Cathedral, the Teatro Degollado, the Templo Expiatorio, the UNESCO World Heritage site Hospicio Cabañas, and the San Juan de Dios Market—the largest indoor market in Latin America.
Greater Buenos Aires, also known as the Buenos Aires Metropolitan Area, refers to the urban agglomeration comprising the Autonomous City of Buenos Aires and the adjacent 24 partidos (districts) in the Province of Buenos Aires. Thus, it does not constitute a single administrative unit. The conurbation spreads south, west and north of Buenos Aires city. To the east, the River Plate serves as a natural boundary.
The Metropolitan Autonomous University also known as UAM, is a Mexican public research university. Founded in 1974 with the support of then-President Luis Echeverria Alvarez, the institution aims to be closely linked to the social and human environment.
Greater Mexico City is the conurbation around Mexico City, officially called the Metropolitan Area of the Valley of Mexico. It encompasses Mexico City itself and 60 adjacent municipalities of the State of Mexico and Hidalgo.
Apodaca is a city and its surrounding municipality that is part of Monterrey Metropolitan area. It lies in the northeastern part of the Monterrey Metropolitan Area. It is known for becoming recently a heavy industrialized city. As of 2019, the city houses 70% of the industrial plants of the state of Nuevo León. Apodaca is as well the fourth most exporting city in México. The municipality has an area of 224.7 km2. The population has recently increased from around 115,000 people in 1990 to almost 600,000 in 2015. Being one of the fastest-growing territories in terms of population in the Metropolitan Area, becoming the third most populous municipality as of 2015. The municipality is home to Monterrey International Airport which is considered to be the fourth most important in the country and is also one of the municipalities main employers.
The Monterrey metropolitan area refers to the surrounding urban agglomeration of Monterrey, Nuevo León. Officially called Area Metropolitana de la Ciudad de Monterrey or AMM, the metropolitan area is the 2nd-largest in Mexico.
Metropolitan areas of Mexico have been traditionally defined as the group of municipalities that heavily interact with each other, usually around a core city, in Mexico. The phenomenon of metropolization in Mexico is relatively recent, starting in the 1940s. Because of an accelerated level of urbanization in the country, the definition of a metropolitan area is reviewed periodically by the Mexican population and census authorities.
Laredo–Nuevo Laredo, otherwise known as the "Four-State Area" or the "Quad State Area", is one of six transborder agglomerations along the U.S.-Mexican border. The city of Laredo is situated in the U.S. state of Texas on the northern bank of the Rio Grande and Nuevo Laredo is located in the Mexican State of Tamaulipas in the southern bank of the river. This area is also known as the Two Laredos or the Laredo Borderplex. The area is made up of one county in the U.S and three municipalities in Mexico. Two urban areas, three cities, and 12 towns make the Laredo–Nuevo Laredo Metropolitan area. The two sides of the Borderplex are connected by four International Bridges and an International Railway Bridge. The Laredo–Nuevo Laredo Metropolitan area has a total of 636,516 inhabitants according to the INEGI Census of 2010 and the United States Census estimate of 2010. According to World Gazetteer this urban agglomeration ranked 157th largest in North and South America in 2010 with an estimated population of 675,481. This area ranks 66th in the United States and 23rd in Mexico.
Oradea metropolitan area is a metropolitan area located in Western Romania, in the County of Bihor, Crișana, Transylvania, Romania and was founded on 9 May 2005.
The Tijuana metropolitan area, and in Spanish the Zona Metropolitana de Tijuana, is located by the Pacific Ocean in Mexico. The 2010 census placed the Tijuana metropolitan area as the fifth largest city by population in the country with 1,751,302 people. The census bureau defined metropolitan area comprises three municipalities: Tijuana, Tecate and Rosarito Beach. Yet sources commonly include Tecate Municipality in the metropolitan area as the urban area between Tijuana and Tecate grows, the commuting populace increases - ultimately further developing the southern areas of San Diego–Tijuana, and the three municipalities maintain strong relationships and cooperation.
The metropolitan area of León is the seventh most populated metropolitan area in Mexico, with nearly 1,609,717 inhabitants. It includes the core city of León, Guanajuato, with a population of 1,436,733. The metropolitan area also includes the municipality of Silao, all situated in the state of Guanajuato, Mexico.
Guarenas-Guatire conurbation or Guarenas-Guatire metropolitan area , also known as El Nuevo Este de Caracas, is a conurbation area in Miranda, Venezuela, that includes 2 municipalities, it is part of the Greater Caracas Area. It has a population of approximately 488,000 inhabitants.
The Pachuca metropolitan area is a metropolitan area located in the state of Hidalgo in Mexico. It consists of the municipalities of Pachuca, Mineral del Monte, Mineral de la Reforma, San Agustín Tlaxiaca, Epazoyucan, Zapotlán de Juárez and Zempoala.
El Pueblito is a city in the Mexican state of Querétaro. It serves as the municipal seat of the Corregidora Municipality. According to the 2020 population census conducted by INEGI, it had a total of 115,264 inhabitants. It is part of the Querétaro metropolitan area.
Mexico 
Jalisco 
