* "Spanish-speaking" is ambiguous: Does it mean the official language is Spanish? Does it mean a significant portion of the population speaks Spanish? The definition impacts the number.
* Varying levels of Spanish proficiency: Even if Spanish is an official language, the level of fluency can vary widely.
* Multilingual countries: Many countries have more than one official language, including Spanish.
However, we can give you some information to help you understand:
* Number of countries where Spanish is an official language: There are 20 countries where Spanish is an official language. This includes countries in Latin America, Spain, and Equatorial Guinea.
* Percentage of world population speaking Spanish: Spanish is spoken by about 5% of the world's population. This makes it the second most spoken language in the world, after Mandarin Chinese.
Therefore, while we can't give a specific percentage of countries that are "Spanish speaking," we can say that a significant portion of the world's population speaks Spanish, and it's an official language in a considerable number of countries.