As a language expert with a keen interest in linguistic geography, I've spent considerable time studying the distribution and influence of various languages across the globe. Spanish, being one of the most widely spoken languages, has a rich tapestry of cultural significance and geographical reach. When it comes to identifying the second largest Spanish-speaking city in the world, it's important to consider both the population that speaks Spanish and the urban concentration of that population.
According to various demographic studies and census data, the ranking of Spanish-speaking cities can fluctuate over time due to factors such as population growth, migration, and changes in urbanization. However, as of the most recent and reliable data, the second largest Spanish-speaking city in the world is Buenos Aires, Argentina.
Buenos Aires, often referred to as the "Paris of South America," is not only the capital of Argentina but also one of the most populous cities in Latin America. The city is known for its vibrant culture, rich history, and the significant influence of Spanish language and traditions that have been preserved and interwoven with local elements.
The population of Buenos Aires, as per the latest available statistics, is estimated to be around 15 million in the metropolitan area. While this is a substantial number, it is important to note that the ranking of cities can be subject to change with new data and demographic shifts. However, for the purpose of this discussion, Buenos Aires stands out as a strong contender for the title of the second largest Spanish-speaking city.
The Spanish spoken in Buenos Aires, known as Rioplatense Spanish, has unique characteristics that differentiate it from other forms of Spanish spoken in different parts of the world. Influenced by the local indigenous languages and the city's history of immigration, particularly from Italy and other European countries, Rioplatense Spanish has a distinct vocabulary, pronunciation, and grammatical features.
Moreover, Buenos Aires is a city that celebrates its Spanish heritage through numerous cultural events, festivals, and traditions. The city's architecture, literature, and culinary scene are all testaments to the deep-rooted Spanish influence that has shaped the city's identity over the centuries.
In conclusion, while Mexico City holds the title for the largest Spanish-speaking city in the world, Buenos Aires, with its significant Spanish-speaking population and cultural prominence, can be considered the second largest. It is a city that not only boasts a large number of Spanish speakers but also a rich tapestry of Spanish cultural influence that makes it a vibrant and significant hub for the language.

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1. Mexico City, Mexico. According to data from 2005, Greater Mexico City (the entire metropolitan area, including a large number of closely situated smaller settlements) has a population of approximately 22,681,726 people. This makes the capital of Mexico the largest Spanish-speaking city in the world.read more >>