Final answer:
The five countries with the largest Spanish-speaking populations, listed alphabetically and where Spanish is the official language, are Argentina, Colombia, Mexico, Spain, and Venezuela.
Step-by-step explanation:
The question asks about the five countries with the largest Spanish-speaking populations, arranged alphabetically. Although the United States has a significant Spanish-speaking population, likely the second-largest in the world, it is not traditionally counted among countries where Spanish is the official language. Therefore, when considering countries where Spanish is the official language and arranging them alphabetically, the correct answer would be: Argentina, Colombia, Mexico, Spain, Venezuela. These countries have had a historical and significant influence of Spanish language and culture, with their populations predominantly speaking Spanish.
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