The 5th largest Spanish speaking country is the United States.
According to recent research conducted by one website, the smallest population of Spanish Speaker is Equatorial Guinea in Africa with approximately 616,459 inhabitants representing 0.14 % of the worldwide Spanish Speaking population. However, Spain is the only country that provides Spanish citizenship. There is only one "spanish country"-SPAIN if you mean spanish speaking country then I am not sure.
The majority of the Spanish-speaking population in Miami, Florida, comes from Cuba. This is most likely due to Cuba's proximity to Miami, and thus the Cubans' immigration to the city. According to the US Census File for "Hispanic and Latino Origin Reports" from 2010, approximately 34.4% of Miami's population was of Cuban origin. The 2nd largest representation in Miami was that of South Americans, who made up around 8.7%. Miami is the largest city in the US with a Cuban-American population. Miami is nicknamed the "Capital of Latin America" for having such a large population of Spanish speakers. It is the 2nd largest American city with a Spanish-speaking majority.
Ecuador has the highest population density in Latin America with 58.95 people per square kilometer. Its largest ethnic group are Mestizos who are descendants of Spanish colonialists and Native American people. The majority of the population lies in the Andes, along the Pacific coast and in the central provinces.
All states in the U.S. have Spanish-speaking populations except Alaska. 5 of the largest are: New York Texas Florida California New Mexico
As of 2012, it was reported by the US Census Bureau that 4,303,949 people in California speak Spanish as their first language. This is 13.70 percent of the population. The total number of Spanish speakers in California is around 9.966 million people.
Mexico has the largest Spanish-speaking population in the world.
As of 2011, Argentina is the country with the fourth largest Spanish speaking population (approximately 40 million).
Mexico has the largest population among Spanish-speaking countries, with over 120 million people.
If you are asking what country has the largest Spanish-speaking population, it's Mexico.
Mexico
The United States has the third largest Spanish-speaking population, following Mexico and Colombia. The Spanish-speaking population in the United States has grown significantly due to immigration from Latin American countries.
If the question is asking "Which Spanish-speaking country has the largest Jewish population today?", the answer is Argentina with roughly 200,000 Jews. If the question is asking, "Which Spanish-speaking country historically had the largest percentage of Jews?", the answer would be Spain since Spain had a large Jewish population in 1490.
Spain
Spain, with about 45 million.
I may be wrong, but I think that Venezuela is the largest spanish speaking country in south america.
By area, Argentina is the largest (2,780,400 sq. km) (1,073,500 sq. mi). By population, Mexico is the largest (112,322,757). As far as non-Spanish speaking countries go, Canada is the largest by area and the United States has the largest population.
The largest Spanish speaking population in Boston is 14.4% of the city's population.