You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Muslim_world

Context:
More than 20% of the world's population is Muslim. Current estimates conclude that the number of Muslims in the world is around 1,5 billion. Muslims are the majority in 49 countries, they speak hundreds of languages and come from diverse ethnic backgrounds. Major languages spoken by Muslims include Arabic, Urdu, Bengali, Punjabi, Malay, Javanese, Sundanese, Swahili, Hausa, Fula, Berber, Tuareg, Somali, Albanian, Bosnian, Russian, Turkish, Azeri, Kazakh, Uzbek, Tatar, Persian, Kurdish, Pashto, Balochi, Sindhi and Kashmiri, among many others.

Question:
How many Muslims are believed to live on earth?

1,5 billion