Bangladesh followed by 86.6 percent of the population. The country is home to most Bengali Muslims, the second-largest ethnic group in the Muslim world. Most Bangladeshi Muslims are Sunni, followed by Shia and Ahmadiya. About four percent are non-denominational Muslims. Bangladesh has the fourth-largest Muslim population in the world, and is the third-largest Muslim-majority country (after Indonesia and Pakistan). Sufism has a lengthy heritage in the region. The largest gathering of Muslims in Bangladesh is the Bishwa Ijtema, held annually by the Tablighi Jamaat. The Ijtema is the second-largest Muslim congregation in the world, after the Hajj. Hinduism is followed by
Geography of Germany number in any single country of the world. The Zoologischer Garten Berlin is the oldest zoo in Germany and presents the most comprehensive collection of species in the world. With an estimated 81.8 million inhabitants in January 2010, Germany is the most populous country in the European Union and ranks as the 15th largest country in the world in terms of population. Its population density stands at . The United Nations Population Fund lists Germany as host to the third-highest number of international migrants worldwide, around 20% of Germany´s population do not hold a German passport or are descendants of