About Spanish Language
According to Wikipedia.org, The Spanish language is from the Indo-European family. It is spoken by 360 million people all over the world. If we talk about the early 21st century Mexico had the highest number of speakers (around 85 million). In Columbia, there are around 40 million people while Argentina has around 35 million speakers. Even in the United States, there are more than 31 million speakers. Spanish is the official language of 18 American countries. This language has got the dialect from modern standard Spanish. Castilian dialect became popular in the 9th century and is spoken in central Spain around Madrid. During the late 15th century Castilian became the official language of Spain. The Castilian dialect is commonly used in all parts of Spain and is still going strong.
About Esperanto Language
According to Wikipedia.org, Esperanto is the world's most widely spoken international language. It is created by Polish ophthalmologist L. L. Zamenhof in 1887. The language was created to be used as the universal second language for international communication. Esperanto is spoken in Europe, East Asia, and South America. As a constructed language, Esperanto holds a middle ground between "naturalistic" constructed languages. Esperanto's vocabulary, syntax, and semantics are inspired by the Standard Average European languages. The vocabulary derives from Romance languages and is similar to many Germanic languages. The most notable features of the language are the prefixes and suffixes. The language is easy to adapt roots and can generate words, to make it possible to communicate effectively with a little set of words. Esperanto is the most successful international and has a large population of native speakers.