Indonesia is home to the world's largest Muslim population, with over 230 million Muslims residing in the country. This accounts for approximately 12-13% of the global Muslim population. While other nations like Pakistan, India, and Bangladesh also have very large Muslim populations, Indonesia consistently ranks first in total numbers due to its massive demographic size and historical religious demographics.

Egypt has a population that is overwhelmingly Muslim, with the vast majority belonging to the Sunni branch of Islam. While exact census figures can vary slightly depending on the source and year, it is widely accepted in demographic studies that approximately 90% of the Egyptian population identifies as Muslim. The remaining population consists primarily of Coptic Christians and other smaller religious minorities.

Lebanon is characterized by a diverse religious demographic. While official census data is outdated due to political sensitivities, it is widely estimated that the population is composed of approximately 60% Muslim (including Sunni, Shia, and Druze) and 40% Christian (primarily Maronite and other denominations). This demographic balance has historically influenced the country's unique power-sharing political system.

The United Nations officially designated October 31, 2011, as the symbolic date when the world population reached the 7 billion milestone. This estimation was based on demographic trends and census data from various countries. The event highlighted the rapid growth of the global population and the associated challenges regarding resources, sustainability, and urban development in the 21st century.

Albania is a country located in Southeastern Europe that is recognized for having a significant Muslim majority, with estimates often citing around 70% of the population identifying with Islam. Unlike the other options provided, which are located in Asia or the Middle East, Albania is geographically situated within the European continent.

Afghanistan is a predominantly Muslim nation, with Islam being the state religion. Demographic data consistently indicates that approximately 99% of the population adheres to the Islamic faith, making it one of the most religiously homogeneous countries in the world in terms of Islamic practice.

The official currency of the Republic of Maldives is the Maldivian rufiyaa. The currency code is MVR. It is subdivided into 100 laari. The name 'rufiyaa' is derived from the Sanskrit word 'rupya', which means silver, reflecting historical trade influences in the Indian Ocean region.

South Sudan officially became an independent sovereign state on July 9, 2011. This followed a successful independence referendum held in January 2011, where the vast majority of the population voted to secede from the Republic of the Sudan. The independence marked the end of a long-standing civil conflict and established the nation as the newest member of the international community at that time.

Muammar Gaddafi, who ruled Libya for over four decades, was captured and killed in his hometown of Sirte on October 20, 2011. This event marked a significant turning point in the Libyan Civil War and the eventual collapse of his regime following the Arab Spring uprisings that began earlier that year.

After the Soviet Union withdrew its forces from Afghanistan in 1989 and the subsequent collapse of the communist regime, Burhanuddin Rabbani became the President of the Islamic State of Afghanistan. His administration was the one officially recognized by the United Nations during the early 1990s, despite the ongoing civil war between various mujahideen factions.